User's Manual

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WR2E User Manual

TuyaSmartWi-Fi Module

1. Product Overview

WR2E is a low power consumption module with built-in Wi-Fi connectivity solution designed

by Hangzhou Tuya Information Technology Co., Ltd..The Wi-Fi Module consists of a highly integrated

wireless radio chip W302 HB140P1 and some extra flash that has been programed with Wi-Fi network

protocol and plenty of software examples.WR2E include a ARM CM4F, WLAN MAC, 1T1R WLAN,

maximum frequency reaches 125MHz, 256K SRAM, 1M byte flash and various peripheral resources.

WR2E is a RTOS platform, embedded with all the Wi-Fi MAC and TCP/IP protocol function

examples, users can customize their Wi-Fi product by using these software examples.

Features

 Integrated low power consumption 32-bit CPU, also known as application processor

 Basic frequency of the CPU can support 125 MHz

 Supply voltage range: 3V to 3.6V

 Peripherals: 7 GPIO channels, 2 UART, 1 ADC

 Wi-Fi connectivity:

 802.11 B/G/N20/N40



Channel 1 to 11 @ 2

.4GHz

 Support WPA/WPA2



Support SmartConfig function for both Android and IOS devices



On-board PCB antenna



Pass CE, FCC, SRRC certifications

 Operating temperature range: -20℃ to 85℃

Main ApplicationFields

 Intelligent Building

 Intelligent home, Intelligent household applications

 Healthy devices

 Industrial wireless control

 Baby monitor

 Webcam

 Intelligent bus

Summary of content (12 pages)

PAGE 1
WR2E User Manual TuyaSmartWi-Fi Module 1. Product Overview WR2E is a low power consumption module with built-in Wi-Fi connectivity solution designed by Hangzhou Tuya Information Technology Co., Ltd..The Wi-Fi Module consists of a highly integrated wireless radio chip W302 HB140P1 and some extra flash that has been programed with Wi-Fi network protocol and plenty of software examples.
PAGE 2
WR2E User Manual 2. Dimensions and Footprint 2.1Dimensions WR2E has 2 columns of Pins (2*9).The distance between each Pin is 2 mm. Size of WR2E: 15 mm (W)×18 mm (L) ×3.3 mm (H) 2.2 Pin Definition Table 1 shows the general pin attributes of WR2E Table 1. The typical pin definition of WR2E PIN NO.
PAGE 3
WR2E User Manual 3. Electrical Characteristics Absolute Maximum Ratings Table 3.1. Absolute Maximum Ratings PARAMETERS DESCRIPTION MIN MAX Ts Storage temperature ‐40 105 UNIT ℃ VCC Supply voltage ‐0.3 3.6 V Static electricity voltage (human model) TAMB‐25℃ ‐ 2 KV Static electricity voltage (machine model) TAMB‐25℃ ‐ 0.5 KV Electrical Conditions Table 3.2.
PAGE 4
WR2E User Manual Wi-Fi Receiving CurrentConsumptions Table 3.3. Wi-Fi RX currentconsumption PARAMETERS MODE TYPICAL UNIT IRF CPU sleep 90 mA IRF CPU active 120 mA Working Mode CurrentConsumptions Table 3.4.
PAGE 5
WR2E User Manual Wi-Fi TransmittingPower Table 4.2. Wi-Fi transmitting power RF output power 802.11b:20.19dBm 802.11g:23.85dBm 802.11n20:24.04dBm 802.11n40:23.98dBm Wi-Fi Receiving Sensitivity Table 4.3. Wi-Fi Receiving sensitivity PARAMETERS MIN TYPICAL MAX UNI T PER<8%, Receiving sensitivity, 802.11b CCK Mode 11M ‐ ‐91 ‐ dBm PER<10%, Receiving sensitivity, 802.11g OFDM Mode 54M ‐ ‐75 ‐ dBm PER<10%, Receiving sensitivity, 802.
PAGE 6
WR2E User Manual 5. Antenna Information Antenna Type On-board PCB antenna. Reduce Antenna Interference While using the On-board PCB antenna, in order to have the best Wi-Fi performance, it’s recommended to keep a minimum15mm distance between the antenna part and the other metal pieces.
PAGE 7
WR2E User Manual 6. Packaging Information And Production Guide Production Guide  The storage for the delivered module should meet the following condition: 1. The anti-moisture bag should be kept in the environment withtemperature< 30℃ and humidity< 85% RH. 2. The expiration date is 6 months since the dry packaging products was sealed.  Cautions: 1. All the operators should wear electrostatic ringin the whole process of production. 2.
PAGE 8
WR2E 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 to 3.6VDC ,typical value 3.3VDC and the ambient temperature of the module should not exceed 85℃.
PAGE 9
WR2E 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-WR2E ”,or “Contains FCC ID: 2ANDL-WR2E ”, Any similar wording that expresses the same meaning may be used. 2.
PAGE 10
WR2E 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.
PAGE 11
WR2E 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 12
WR2E User Manual general testing details. The product under test is set into a link/association with a partnering WLAN device, as per the normal intended use of the product. To ease testing, the product under test is set to transmit at a high duty cycle, such as by sending a file or streaming some media content. 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.