User's Manual

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Table Of Contents

WRG1 User Manual

Version1.0.2

1. Product Overview

WRG1 is a low power-consuming built-in Wi-Fi module developed by Hangzhou Tuya

Information Technology Co., Ltd. It consists of a highly integrated radio frequency chip

(RTL8711AM) and an external flash chip, with a built-in Wi-Fi network protocol stack and robust

library functions. WRG1 also contains a low power-consuming ARM-Cortex M3 MCU， a

WLAN MAC, a 1T1R WLAN, and the maximum basic frequency of 166 MHz, and is embedded

with a 2MB SDRAM ，4Mbyte flash, and robust peripheral resources.

WRG1 is an RTOS platform that integrates all the function libraries of the Wi-Fi MAC

and TCP/IP protocols. You can develop built-in Wi-Fi products as required.

1.1 Features

Built-in low power-consuming 32-bit CPU functioning as an application processor

 Basic frequency: 166 MHz

 Working voltage: 3 V to 3.6 V

 Peripherals: ten GPIOs, two UARTs, and one ADC

 Wi-Fi connectivity

 802.11 B/G/N20/N40

 Channels 1-11@2.4GHz

 Supports WPA/WPA2 safe modes

 SmartConfig mode (for Android and iOS devices)

 Passing the CE, FCC, and SRRC certification

 Working temperature: –20°C to +85°C

1.2 Major Application Fields

 Intelligent building

 Intelligent home and household appliances

 Healthcare

 Industrial wireless control

 Baby monitors

 Network camera

 Intelligent bus

Summary of content (13 pages)

PAGE 1
WRG1 User Manual 1. Product Overview WRG1 is a low power-consuming built-in Wi-Fi module developed by Hangzhou Tuya Information Technology Co., Ltd. It consists of a highly integrated radio frequency chip (RTL8711AM) and an external flash chip, with a built-in Wi-Fi network protocol stack and robust library functions.
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WRG1 User Manual 2. Module Interfaces 2.1 Dimensions and Pin Layout WRG1 provides three rows of pins with the distance of 1.5 mm between every two pins. WRG1 dimensions: 19±0.25 mm (W) x 25.7±0.25 mm (L) x 3.6±0.2 mm (H) Version1.0.
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WRG1 User Manual 2.2 Pin definition Table 2.1 describes the common pins. Table 2.1，WRG1 pins description No.
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WRG1 User Manual 3. Electrical Parameters 3.1 Absolute electrical parameters Table 3.1,Absolute Parameters Parameters Description Static electricity voltage (human model) Storage temperature Power-supply voltage TAMB – 25°C Static electricity voltage (machine model) TAMB – 25°C Ts VDD Minimu m value Maximu m value Unit –40 105 °C –0.3 3.6 V - 2 kV - 0.5 kV 3.2 Electrical Conditions Table 3.
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WRG1 User Manual 3.3 Wi-Fi TX power consumption Table 3.3 TX power during constant emission Symbol Mode Power Typ Unit IRF 11b 11 Mbit/s 22.13dBm 287 mA IRF 11g 54 Mbit/s 25.18dBm 255 mA IRF 11n BW20 MCS7 25.38 dBm 244 mA IRF 11n BW40 MCS7 23.56dBm 230 mA 3.4 Wi-Fi RX power consumption Table 3.4 RX power during constant receiving Symbol IRF IRF Mode 11b 11M （Pin=-60dBm） 11n Mcs7 BW20 （Pin=-60dBm） Typ Unit 68 mA 74 mA Version1.0.
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WRG1 User Manual 3.5 Power consumption in operating mode Table 3.5, Module operating current Operation Mode Operating condition, TA=25℃ Typ Peak Unit EZ mode The module is in the EZ state and the Wi-Fi indicator fast flashes. 135 170 mA Idle mode The module is in the connected state and the Wi-Fi indicator is steady on. 70 140 mA Working mode The module is in the connected state and the Wi-Fi indicator is steady on.
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WRG1 User Manual 4.2 Wi-Fi Output Performance Table 4.2 TX power during constant emission Parameter RF average output power, 802.11b CCK mode RF average output power, 802.11g OFDM mode RF average output power, 802.11n20 OFDM mode RF average output power, 802.11n40 4 OFDM mode Frequency error 4.3 11 Mbit/s 54 Mbit/s MCS7 MCS7 Min Typ Max Unit - 22.13 - dBm - 25.18 - dBm - 25.38 23.56 - 20 dBm dBm ppm -20 Wi-Fi RX sensitivity Table 4.
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WRG1 User Manual Figure 6.1 Module elevation 6.2 Production Instructions Storage conditions of a delivered module are as follows: 1.The anti-moisture bag must be placed in an environment where the temperature is under 30°C and the relative humidity is under 85%. 2. The shelf life of a dry-packaged product is six months from the date when the product is packaged and sealed. Note: 1.Throughout the production process, each involved operator must wear an electrostatic ring. 2.
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WRG1 User Manual Regulatory Module Integration Instructions 2.2 List of applicable FCC rules This device complies with part 15.247 of the FCC Rules. 2.3 Summarize the specific operational use conditions This module can be used in household electrical appliances as well as lighting equipments. The input voltage to the module should be nominally 3.0~3.6 VDC ,typical value 3.3VDC and the ambient temperature of the module should not exceed 85℃. This module using only one kind of antennas with maximum gain is 2.
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WRG1 User Manual 2.7 Antennas Module only contains one PCB antenna. No additional external connectors. 2.8 Label and compliance information The outside of final products that contains this module device must display a label referring to the enclosed module. This exterior label can use wording such as: “Contains Transmitter Module FCC ID: 2ANDL-WRG1 ”,or “Contains FCC ID: 2ANDL-WRG1 ”, Any similar wording that expresses the same meaning may be used. 2.
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WRG1 User Manual have any responsibility for final product compliance. c) If the investigation indicates a compliance concern the host product manufacturer is obligated to mitigate the issue. Host products using a modular transmitter are subject to all the applicable individual technical rules as well as to the general conditions of operation in Sections 15.5, 15.15, and 15.29 to not cause interference.
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WRG1 User Manual The host integrator installing this module into their product must ensure that the final composite product complies with the FCC requirements by a technical assessment or evaluation to the FCC rules, including the transmitter operation and should refer to guidance in KDB 996369. Frequency spectrum to be investigated For host products with certified modular transmitter, the frequency range of investigation of the composite system is specified by rule in Sections 15.
PAGE 13
WRG1 User Manual general testing details. The product under test is placed into a normal ‘paired’ mode with another ZigBee device, as per the normal intended use of the product (for example, transferring data). FCC Statement Any Changes or modifications 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.