Version 1.
Preface D-Link reserves the right to revise this publication and to make changes in the content hereof without obligation to notify any person or organization of such revisions or changes. Information in this document may become obsolete as our services and websites develop and change. Please refer to the www.mydlink.com website for the most current information. Manual Revisions Revision Date 1.0 May 25, 2012 Description DCS-2132L Revision A1 with firmware version 1.
Table of Contents Product Overview.......................................................................... 5 Package Contents.................................................................. 5 Introduction............................................................................. 6 System Requirements.......................................................... 6 Features..................................................................................... 7 Hardware Overview...............................
Help......................................................................................76 DI/DO Specifications..................................................................77 Technical Specifications............................................................78 Safety Statements.......................................................................
Section 1: Product Overview Product Overview Package Contents DCS-2132L HD Wireless N Cube Network Camera CAT5 Ethernet cable Power adapter CD-ROM with User Manual and software Quick Installation Guide If any of the above items are missing, please contact your reseller. Note: Using a power supply with a different voltage than the one included with your product will cause damage and void the warranty for this product.
Section 1: Product Overview Introduction Congratulations on your purchase of the DCS-2132L HD Wireless N Cube Network Camera. The DCS-2132L is a versatile and unique solution for your small office or home. Unlike a standard webcam, the DCS-2132L is a complete system with a built-in CPU and web server that transmits high quality video images for security and surveillance.
Section 1: Product Overview Features Simple to Use The DCS-2132L is a stand-alone system with a built-in CPU, requiring no special hardware or software. The DCS-2132L supports both ActiveX mode for Internet Explorer and Java mode for other browsers such as Firefox® and Safari®. Supports a Variety of Platforms Supporting TCP/IP networking, HTTP, and other Internet related protocols. The DCS-2132L can also be integrated easily into other Internet/Intranet applications because of its standards-based features.
Section 1: Product Overview Hardware Overview Front 5 1 2 6 3 4 7 8 1 Status LED 2 WPS Status LED Indicates the WPS connection status of the camera 3 Infrared LED Used to illuminate the camera's field of view at night 4 PIR Sensor 5 Camera Lens Records video of the surrounding area 6 Microphone Records audio from the surrounding area 7 ICR Sensor 8 Speaker D-Link DCS-2132L User Manual Indicates the camera's current status Passive Infrared sensor for motion detection The IR-Cut R
Section 1: Product Overview Rear 1 5 4 6 2 3 1 Ethernet Port 2 WPS Button Press this button, then press the WPS button for 5 seconds on your router to set up a wireless connection automatically 3 Reset Button Press and hold this button for 10 seconds to reset the camera 4 Power Connector Connects to the included DC 5 V power adapter 5 DI/DO Connector I/O connectors for external devices 6 Adjustment Ring Tighten or loosen the adjustment ring to adjust the camera's position D-Link DCS-
Section 1: Product Overview Sides 1 1 Micro SD Card Slot D-Link DCS-2132L User Manual Insert a MicroSD card for Local storage for storing recorded image and video 10
Section 2: Installation Installation Wireless Installation Considerations This D-Link device can connect to your wireless network from anywhere within the operating range of your wireless network. However, the number, thickness and location of walls, ceilings, or other objects that the wireless signals must pass through, may limit the range. Typical ranges vary depending on the types of materials and background RF (radio frequency) noise in your home or business.
Section 2: Installation Zero Configuration Setup If you have a D-Link Cloud Router, you can take advantage of Zero Configuration. Zero Configuration automatically configures your camera's settings for you, and adds it to your mydlink account automatically. This type of setup allows you to set up your camera by simply plugging it in and connecting it to your router.
Section 2: Installation Optional: WPS Wireless Connection Alternatively, if your router supports WPS, you can use the WPS button on the camera to easily create a secure wireless connection to your network. To create a WPS connection: Step 1 Press and hold the WPS button for approximately 5-6 seconds. The blue WPS status LED above the button will blink. Step 2 Within 60 seconds press the WPS button on your router.
Section 2: Installation Check Your mydlink Account From any computer, open a web browser, go to http://www.mydlink.com and log into your account. Once mydlink detects your camera, a New Device Found! notice will appear in the bottom-left corner. Click on the device name to continue. A summary and confirmation notification will appear with the automatically configured details. Make a note of the details and click OK to add the camera to your account.
Section 2: Installation Zero Configuration is now complete and your camera has been added to your mydlink account. You can now view your camera on the mydlink Live View tab. If you wish to connect your camera to your router wirelessly, you can simply disconnect the Ethernet cable and move the camera to its intended location; your router's wireless settings have been automatically transferred to the camera, and no further configuration is required.
Section 2: Installation Camera Installation Wizard Insert the Installation CD-ROM into your computer’s optical drive to start the autorun program. The CD-ROM will open the Camera Installation Wizard. Simply click Setup Your Camera to go through the Installation Wizard, which will guide you through the installation process from connecting your hardware to configuring your camera.
Section 2: Installation Select your preferred language for the installation from the drop down menu and click on Start to continue. Connect the included Ethernet cable to the network cable connector located on the panel at the rear of the DCS-2132L and attach it to the network. Click Next to continue.
Section 2: Installation Connect the other end of the same Ethernet cable to a router. Click Next to continue. Attach the external power supply to the power connector located on the rear panel of the DCS-2132L and connect it to your wall outlet or power strip. Click Next to continue.
Section 2: Installation The LED on the front of the DCS-2132L will blink, then turn solid green once it successfully connects to your network. Click Next to proceed. If the LED continues to blink, check your connections or click on the "What should I do if the LED stays red?" link for more information. Select your camera from the list, then click Next. If you have multiple cameras, you can identify them by the MAC ID printed on the label on the back of your camera.
Section 2: Installation If you wish to remove the camera from a previously registered mydlink account, press and hold the reset button on the rear panel for at least 6 seconds and click Restart to restart the wizard. After you have selected your camera from the list, you will be asked to create and confirm a password for it. The password is case sensitive and must contain at least 2 letters. Click Next to continue.
Section 2: Installation To move the camera to a wireless connection by using WPS or by selecting a wireless network, select the appropriate option then follow the steps displayed. Otherwise, click Next to continue. Complete the mydlink account registration form with your details making sure to select the I accept mydlink terms and conditions box, and click the Next button.
Section 2: Installation If you already have a mydlink account, enter your login details and click Next to proceed. Confirm your mydlink account details and give the camera a unique name and click Done.
Section 2: Installation Confirm your camera login details and IP address details and click Done. Your DCS-2132L camera is now set up. Log on to your mydlink account and explore the exciting benefits available to you. Your camera is now set up, and you can skip to "mydlink" on page 26 to learn more about the mydlink features of this camera, or to "Configuration" on page 35 for advanced configuration of your camera.
Section 2: Installation Manual Hardware Installation If you wish to set up your camera without using the Camera Setup Wizard, please follow these steps. Note: In order to use the mydlink features of this product, you will need to go through the Camera Setup Wizard. Connect the Ethernet Cable Connect the included Ethernet cable to the network cable connector located on the panel at the rear of the DCS-2132L and attach it to the network.
Section 2: Installation WPS - Push Button Setup If your router supports WPS, you can use the WPS button on the camera to easily create a secure wireless connection to your network. To create a WPS connection: Step 1 Press and hold the WPS button for approximately 5-6 seconds. The blue WPS status LED above the button will blink. Step 2 Within 60 seconds press the WPS button on your router.
Section 3: mydlink mydlink After registering your DCS-2132L camera with a mydlink account in the Camera Installation Wizard. You will be able to remotely access your camera from the www.mydlink.com website.
Section 3: mydlink Camera Status Here, you can see the online status of each of your cameras. Your online status may be one of the following: A green checkmark indicates that your camera is online and ready to use. A yellow exclamation point indicates that your camera is online, but the camera password has changed. You will need to enter your new camera password to access your camera again. A red X indicates that your camera is offline and currently cannot be accessed remotely.
Section 3: mydlink Live Video In the main part of the screen, the Live Video tab will be selected by default. If the camera is available, a Live Video feed will be displayed. Video will be shown at VGA resolution (640x480) if viewing your camera from a PC on the same local network, or at QVGA resolution (320x240) if viewing your camera from a PC on a remote network.
Section 3: mydlink Playback The Playback tab allows you to review pre-recorded footage captured to an inserted microSD card. Select the date of the footage you wish to preview from the drop down menu, then choose from the recordings available for playback.
Section 3: mydlink Settings The Settings tab contains several options for you to control how your DCS‑2132L operates. Camera Name: Click on the Edit button to change how the camera name appears. mydlink No: This is the unique mydlink number for your device. Model name: This shows the model name of the camera. MAC: The shows the Media Access Control (MAC) address of the camera. Camera Activated on: The date the camera was registered to the mydlink service.
Section 3: mydlink Recording Settings Record video clips Select this option to enable the automatic recording when motion when motion is is detected. detected: Add Detection Area: Click on this icon to draw areas that will trigger automatic recording when motion is detected. Remove Detection Area: Click on this icon to erase areas from regions that trigger automatic recording when motion is detected.
Section 3: mydlink Record Video Clips by This option enables either continuous or recurring scheduled Schedule: recording. Email Notification: Toggles notification by email on or off. Video Clips Recording In the event that the microSD card can not store further recordings, Mode: the user can choose to record over previous recordings or to be notified and cease recording.
Section 3: mydlink Advanced Settings Show password: Checking this box will show the password.
Section 3: mydlink Events Record video clips Select this option to enable the automatic recording when motion when motion is is detected. detected: Mark Page as Read: Clicking this button will mark the current page of event notifications as read. Mark all as Read: Clicking this button will mark all event notifications as read.
Section 4: Configuration Configuration Using the Configuration Interface After completing the Camera Installation Wizard, you are ready to use your camera. The camera’s built-in Web configuration utility is designed to allow you to easily access and configure your DCS-2132L. At the end of the wizard, click Go To Camera, or enter the IP address of your camera into a web browser, such as Mozilla Firefox. To log in, use the User name admin and the password you created in the Installation Wizard.
Section 4: Configuration Live Video This section shows your camera’s live video. You may select any of the available icons listed below to operate the camera. You may also select your language using the drop-down menu on the left side of the screen. You can zoom in and out on the live video image using your mouse. Right-click to zoom out or left-click to zoom in on the image. SD Status: This option displays the status of the SD card.
Section 4: Configuration Global View: This window indicates the total field of view (FOV) of the camera. The red box indicates the visible region of interest (ROI). Language: You may select the interface language using this menu.
Section 4: Configuration Setup Setup Wizard To configure your Network Camera, click Internet Connection Setup Wizard. Alternatively, you may click Manual Internet Connection Setup to manually configure your Network Camera and skip to "Network Setup" on page 44. To quickly configure your Network Camera’s motion detection settings, click Motion Detection Setup Wizard. If you want to enter your settings without running the wizard, click Manual Motion Detection Setup and skip to"Motion Detection" on page 55.
Section 4: Configuration Internet Connection Setup Wizard This wizard will guide you through a step-by-step process to configure your new D-Link Camera and connect the camera to the internet. Click Next to continue. Note: Select DHCP if you are unsure of which settings to choose. Click Next to continue.
Section 4: Configuration Select Static IP if your Internet Service Provider has provided you with connection settings, or if you wish to set a static address within your home network. Enter the correct configuration information and click Next to continue. If you are using PPPoE, select Enable PPPoE and enter your user name and password, otherwise click Next to continue.
Section 4: Configuration Configure the correct time to ensure that all events will be triggered as scheduled. Click Next to continue. If you have selected DHCP, you will see a summary of your settings, including the camera's IP address. Please write down all of this information as you will need it in order to access your camera. Click Apply to save your settings.
Section 4: Configuration Motion Detection Setup Wizard This wizard will guide you through a step-by-step process to configure your camera's motion detection functions. Click Next to continue. Step 1 This step will allow you to enable or disable motion detection, specify the detection sensitivity, and adjust the camera’s ability to detect movement. You may specify whether the camera should capture a snapshot or a video clip when motion is detected.
Section 4: Configuration Step 3 This step allows you to specify how you will receive event notifications from your camera. You may choose not to receive notifications, or to receive notifications via e-mail or FTP. Please enter the relevant information for your e-mail or FTP account. Click Next to continue. Step 4 You have completed the Motion Detection Wizard. Please verify your settings and click Apply to save them. Please wait a few moments while the camera saves your settings and restarts.
Section 4: Configuration Network Setup Use this section to configure the network connections for your camera. All relevant information must be entered accurately. After making any changes, click the Save Settings button to save your changes. LAN Settings: This section lets you configure settings for your local area network. DHCP: Select this connection if you have a DHCP server running on your network and would like your camera to obtain an IP address automatically.
Section 4: Configuration Enable UPnP Presentation: Enabling this setting allows your camera to be configured as a UPnP device on your network. Enable UPnP Port Forwarding: Enabling this setting allows the camera to add port forwarding entries into the router automatically on a UPnP capable network. Enable PPPoE: Enable this setting if your network uses PPPoE. User Name / Password: Enter the username and password for your PPPoE account. Re-enter your password in the Confirm Password field.
Section 4: Configuration Enable CoS: Enabling the Class of Service setting implements a best-effort policy without making any bandwidth reservations. Enable QoS: Enabling QoS allows you to specify a traffic priority policy to ensure a consistent Quality of Service during busy periods. If the Network Camera is connected to a router that itself implements QoS, the router's settings will override the QoS settings of the camera. Enable IPV6: Enable the IPV6 setting to use the IPV6 protocol.
Section 4: Configuration Wireless Setup This section allows you to set up and configure the wireless settings on your camera. After making any changes, click the Save Settings button to save your changes. Site Survey: Click the Rescan button to scan for available wireless networks. After scanning, you can use the drop-down box to select an available wireless network. The related information (SSID, Wireless Mode, Channel, Authentication, Encryption) will be automatically filled in for you.
Section 4: Configuration Dynamic DNS DDNS (Dynamic Domain Name Server) will hold a DNS host name and synchronize the public IP address of the modem when it has been modified. A user name and password are required when using the DDNS service. After making any changes, click the Save Settings button to save your changes. Enable DDNS: Select this checkbox to enable the DDNS function. Server Address: Select your Dynamic DNS provider from the pull down menu or enter the server address manually.
Section 4: Configuration Image Setup In this section, you may configure the video image settings for your camera. A preview of the image will be shown in Live Video. Enable Privacy Mask: The Privacy Mask setting allows you to specify up to 3 rectangular areas on the camera's image to be blocked/ excluded from recordings and snapshots. You may click and drag the mouse cursor over the camera image to draw a mask area.
Section 4: Configuration Exposure Mode: Changes the exposure mode. Use the drop-down box to set the camera for Indoor, Outdoor, or Night environments, or to Moving to capture moving objects. The Low Noise option will focus on creating a highquality picture without noise. You can also create 3 different custom exposure modes. The Max Gain setting will allow you to control the maximum amount of gain to apply to brighten the picture.
Section 4: Configuration Audio and Video You may configure up to 3 video profiles with different settings for your camera. Hence, you may set up different profiles for your computer and mobile display. In addition, you may also configure the two-way audio settings for your camera. After making any changes, click the Save Settings button to save your changes. Number of active profiles: You can use the drop-down box to set up to 2 active profiles.
Section 4: Configuration Maximum frame rate: A higher frame rate provides smoother motion for videos, and requires more bandwidth. Lower frame rates will result in stuttering motion, and requires less bandwidth. Video Quality: This limits the maximum frame rate, which can be combined with the "Fixed quality" option to optimize the bandwidth utilization and video quality. If fixed bandwidth utilization is desired regardless of the video quality, choose "Constant bit rate" and select the desired bandwidth.
Section 4: Configuration Preset This screen allows you to set preset points for the ePTZ function of the camera, which allows you to look around the camera's viewable area by using a zoomed view. Presets allow you to quickly go to and view a specific part of the area your camera is covering, and you can create preset sequences, which will automatically change the camera's view between the different presets according to a defined order and timing you can set.
Section 4: Configuration Preset List: To add a preset to the sequence, select it from the dropdown box at the bottom of this window, set the Dwell time to determine how long the camera view will stay at that preset, then click the Add button. The preset name will appear in the list, followed by the dwell time to view that preset for. You can rearrange your presets in the sequence by selecting a preset in the sequence, then clicking the arrow buttons to move it higher or lower in the current sequence.
Section 4: Configuration Motion Detection Enabling Video Motion will allow your camera to use the motion detection feature. You may draw a finite motion area that will be used for monitoring. After making any changes, click the Save Settings button to save your changes. Enable Video Motion: Select this box to enable the motion detection feature of your camera. Sensitivity: Specifies the measurable difference between two sequential images that would indicate motion. Please enter a value between 0 and 100.
Section 4: Configuration Time and Date This section allows you to automatically or manually configure, update, and maintain the internal system clock for your camera. After making any changes, click the Save Settings button to save your changes. Time Zone: Select your time zone from the drop-down menu. Enable Daylight Saving: Select this to enable Daylight Saving Time. Auto Daylight Saving: Select this option to allow your camera to configure the Daylight Saving settings automatically.
Section 4: Configuration Event Setup In a typical application, when motion is detected, the DCS-2132L sends images to a FTP server or via e-mail as notifications. As shown in the illustration below, an event can be triggered by many sources, such as motion detection or external digital input devices. When an event is triggered, a specified action will be performed. You can configure the Network Camera to send snapshots or videos to your e-mail address or FTP site. Action Event Condition ex.
Section 4: Configuration The Event Setup page includes 4 different sections. • Event • Server • Media • Recording 1. To add a new item - "event, server or media," click Add. A screen will appear and allow you to update the fields accordingly. 2. To delete the selected item from the pull-down menu of event, server or media, click Delete. 3. Click on the item name to pop up a window for modifying.
Section 4: Configuration Add Server You can configure up to 5 servers to save snapshots and/or video to. After making any changes, click the Save Settings button to save your changes. Server Name: Enter the unique name of your server. E-mail: Enter the configuration for the target e-mail server account. FTP: Enter the configuration for the target FTP server account. Network Storage: Specify a network storage device. Only one network storage device is supported.
Section 4: Configuration Add Media There are three types of media, Snapshot, Video Clip, and System Log. After making any changes, click the Save Settings button to save your changes. Media Name: Enter a unique name for media type you want to create. Snapshot: Select this option to set the media type to snapshots. Source: Set the video profile to use as the media source. Refer to Audio and Video on "Audio and Video" on page 51 for more information on video profiles.
Section 4: Configuration Video clip: Select this option to set the media type to video clips. Source: Set the video profile to use as the media source. Refer to "Audio and Video" on page 51 for more information on video profiles. Pre-event recording: This sets how many seconds to record before the main event video clip starts. You can record up to 4 seconds of pre-event video. Maximum duration: Set the maximum length of video to record for your video clips.
Section 4: Configuration Add Event Create and schedule up to 2 events with their own settings here. After making any changes, click the Save Settings button to save your changes. Event name: Enter a name for the event. Enable this event: Select this box to activate this event. Priority: Set the priority for this event. The event with higher priority will be executed first. Delay: Select the delay time before checking the next event.
Section 4: Configuration Time: Select Always or enter the time interval. Trigger D/O: Select to trigger the digital output for a specific number of seconds when an event occurs. Server: Specify the location where the event information should be saved to.
Section 4: Configuration Add Recording Here you can configure and schedule the recording settings. After making any changes, click the Save Settings button to save your changes. Recording entry name: The unique name of the entry. Enable this recording: Select this to enable the recording function. Priority: Set the priority for this entry. The entry with a higher priority value will be executed first. Source: The source of the stream. Recording schedule: Scheduling the recording entry.
Section 4: Configuration Size of each file for recording: If this is selected, files will be separated based on the file size you specify. Time of each file for recording: If this is selected, files will be separated based on the maximum length you specify. File Name Prefix: The prefix name will be added on the file name of the recording file(s).
Section 4: Configuration SD Card Here you may browse and manage the recorded files which are stored on the SD card. Format SD Card: Click this icon to automatically format the SD card and create "picture" & "video" folders. View Recorded Picture: If the picture files are stored on the SD card, click on the picture folder and choose the picture file you would like to view.
Section 4: Configuration Advanced Digital Input/Output This screen allows you to control the behavior of digital input and digital output devices. The I/O connector provides the physical interface for digital output (DO) and digital input (DI) that is used for connecting a variety of external alarm devices such as IR-Sensors and alarm relays. The digital input is used for connecting external alarm devices and once triggered images will be taken and e-mailed.
Section 4: Configuration ICR and IR Here you can configure the ICR and IR settings. An IR(Infrared) Cut-Removable(ICR) filter can be disengaged for increased sensitivity in low light environments. Automatic: The Day/Night mode is set automatically. Generally, the camera uses Day mode and switches to Night mode when needed. Day Mode: Day mode enables the IR Cut Filter. Night Mode: Night mode disables the IR Cut Filter. Schedule Mode: Set up the Day/Night mode using a schedule.
Section 4: Configuration HTTPS This page allows you to install and activate an HTTPS certificate for secure access to your camera. After making any changes, click the Save Settings button to save your changes. Enable HTTPS Secure Connection: Enable the HTTPS service. Create Certificate Method: Choose the way the certificate should be created.
Section 4: Configuration Access List Here you can set access permissions for users to view your DCS-2132L. Allow list: The list of IP addresses that have the access right to the camera. Start IP address: The starting IP Address of the devices (such as a computer) that have permission to access the video of the camera. Click Add to save the changes made. Note: A total of seven lists can be configured for both columns.
Section 4: Configuration Maintenance Device Management You may modify the name and administrator’s password of your camera, as well as add and manage the user accounts for accessing the camera. You may also use this section to create a unique name and configure the OSD settings for your camera. Admin Password Setting: Set a new password for the administrator’s account. Add User Account: Add new user account. User Name: The user name for the new account. Password: The password for the new account.
Section 4: Configuration System In this section, you may backup, restore and reset the camera configuration, or reboot the camera. Save To Local Hard Drive: You may save your current camera configuration as a file on your computer. Local From Local Hard Drive: Locate a pre-saved configuration by clicking Browse and then restore the pre-defined settings to your camera by clicking Load Configuration.
Section 4: Configuration Firmware Upgrade The camera's current firmware version will be displayed on this screen. You may visit the D-Link Support Website to check for the latest available firmware version. To upgrade the firmware on your DCS-2132L, please download and save the latest firmware version from the D-Link Support Page to your local hard drive. Locate the file on your local hard drive by clicking the Browse button. Select the file and click the Upload button to start upgrading the firmware.
Section 4: Configuration Status Device Info This page displays detailed information about your device and network connection.
Section 4: Configuration Logs This page displays the log information of your camera. You may download the information by clicking Download. You may also click Clear to delete the saved log information.
Section 4: Configuration Help This page provides helpful information regarding camera operation.
Appendix A: DI/DO Specifications DI/DO Specifications Pin 1 Pin 4 Pin 2 PIN Pin 3 NOTE FUNCTION 1 Digital Out (DO) Uses an open-drain NFET transistor with the source connected to GND in camera. If used with an external relay, a diode must be connected in parallel with the load for protection against voltage transients. Max loading is 100 mA. 2 Digital In (DI) A switch from DI to DC 5 V, activated by setting NO. or NC. 3 DC5V OUTPUT DC 5 V Output / Max.
Appendix B: Technical Specifications Technical Specifications Camera Network Camera Hardware Profile 1/4” Megapixel progressive CMOS sensor 5 meter IR illumination distance Minimum illumination: 0 lux with IR LED on Built-in Infrared-Cut Removable (ICR) Filter module Built-in PIR sensor (5 meter) Built-in microphone and speaker 10x digital zoom Focal length: 3.45 mm Aperture: F2.0 Angle of view: (H) 57.8° (V) 37.
Appendix B: Technical Specifications System System Management Requirements for Web Interface General Operating System: Microsoft Windows 7/Vista/XP/2000 Browser: Internet Explorer, Firefox, Netscape, Opera Event Management Motion detection Event notification and uploading of snapshots/video clips via e-mail or FTP Supports multiple SMTP and FTP servers Multiple event notifications Multiple recording methods for easy backup Remote Management Take snapshots/video clips and save
Appendix B: Technical Specifications Dimensions • D-Link DCS-2132L User Manual 80
Appendix C: Safety Statements Safety Statements CE Mark Warning: This is a Class B product. In a domestic environment, this product may cause radio interference, in which case the user may be required to take adequate measures. FCC Statement: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
Appendix C: Safety Statements IMPORTANT NOTICE: FCC Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
