Bluetooth GPS+GLONASS (GNSS) Receiver BT-821G User Manual Ver 1.
Table of Content 1. Product Information .......................................................................................... 3 1.1 Product Description ........................................................................................ 3 1.2 Product Features ............................................................................................ 3 1.3 Product Specifications .................................................................................... 4 2. Hardware Description ..........
1. Product Information 1.1 Product Description BT-821G is a high performance Bluetooth GNSS receiver. It uses MTK high performance chipset that supports 99 search channels and 33 simultaneous tracking channels. BT-821G build-in a high-performance antenna and ensures excellent signal reception. BT-821G takes advantage of the Bluetooth technology to offer hassle free installation. It connects wirelessly to your Bluetooth enabled smart phone, laptop, tablet PC, or other devices.
1.3 Product Specifications GNSS chipset Frequency Chipset Code Protocol Maximum Altitude Maximum Velocity Maximum Acceleration Update Rate DGPS GPS 1575.42 MHz & GLONASS 1608 MHz MTK high performance chipset C/A Code NMEA 0183 (Default: GGA, GSA, GSV, RMC) RTCM 38400 99 search channels and 33 simultaneous tracking channels Built-in Antenna Acquisition:-148dBm(cold)/-163dBm(hot) Tracking:-165dBm < 35 seconds < 35 seconds < 1 second 0.1 second, average Position:3m (2D RMS) / 2.0m with DGPS Velocity: < 0.
2. Hardware Description 2.
2.2 LED Behaviors Bluetooth LED (Blue) Status Blink once per three seconds Blink once per second Description Not linked Linked GNSS LED (Green) Status Blink once per second Steady on Description Position fixed Position not fixed Power LED (Red/Amber) Status Red light steady on Red light Off Amber light steady on(charging) Amber light Off(charging) Battery Battery Battery Battery Description low good charging charging finish 2.
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4. Getting Started Step 1: Charging Battery Please place the included battery in your BT-821G and charge it by the included charger till the amber LED goes off before using BT-821G for the first time. Push the battery cover toward the direction shown as arrow mark, and then lift it up. Pull the plastic tab to remove the battery. While installing the battery, make sure the metal contacts of BT-821G and battery are aligned.
Insert one end of the charging cable into BT-821G to charge the battery. Step 2: Turn on the power Press and hold the power button for one second to turn on your BT-821G. Step 3: Wait for GNSS fixed Put your BT-821G in a place where can directly see the sky and check the GNSS LED. If the GNSS LED starts blinking, your position is fixed.
5. Troubleshooting Bluetooth is unable to connect A) Check if the GNSS Bluetooth indicator is flashing normally. That is, flash one per each three second means the product is under standby mode; flash once per second means Bluetooth has been online already. B) Check if energy level is sufficient. If red LED is light up, then the battery level is insufficient, please recharge it until the red indicator is off (recharge is complete).
FCC Notices Caution: Any changes or modifications in construction of this device which are not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.
