Single-Band (2.4 GHz) Embedded Wi-Fi b/g/n module with Integrated antenna

WE935B00 module from Wi2Wi's EM series is a best in class single-band (2.4GHz) high performance embedded Wi-Fi module. This highly integrated plug and play, embedded wifi module with chip antenna and MHF4 IPEX connector includes dedicated microcontroller, MAC, baseband, RF transceiver, power amplifier, crystal, Tx/Rx switch, filter and OTP memory for calibration data and MAC address. WE935B00 (serial to wifi module) is a complete wireless subsystem in a small form factor, featuring full 802.11 b/g/n capabilities with embedded Wireless LAN (WLAN) stack, supplicant and TCP/IP stack. By completely off-loading the external Microcontroller (MCU) from wireless and Networking Stack activities, user can dedicate the external host for application development and significantly reduce their time to market and R&D cost. This WLAN module supports UART, SPI and USB* host interfaces and comes in various operating temperatures and certified to FCC, CE and IC.

Single-Band embedded Wi-Fi module


  • Small footprint: 15 mm x 16.5 mm x 1.86 mm
  • Compliant to IEEE 802.11b/g/n Wi-fi, 1x1 SISO
  • 20 MHz Channel Bandwidth
  • UART, SPI & USB* Host Interfaces
  • UART hardware flow control
  • Supports Station Mode, Access Point Mode and Con-current (simultaneous AP + Station) Mode
  • Supports Open, WPA/WPA2-PSK & WEP (WEP in Station mode only)
  • Supports 4 Stations/Clients in AP Mode
  • Supports 10 TCP/UDP sockets which includes 2 SSL Sockets, 1 dedicated Webserver and 1 dedicated HTTP Client
  • Onboard chip Antenna + MHF4 IPEX Connector
  • Support for IEEE Power-Save Mode
  • Host Controlled Sleep wake pins
  • Support for Antenna Diversity
  • Maximum transmit power up to 18 dBm
  • Receive Sensitivity -97 dBm
  • Single power supply operation, 3.3V DC
  • Available in industrial (-40℃ to +85℃), extended (-30℃ to +85℃) and commercial (0℃ to +70℃) operating temperature variants
* - USB interface support will be provided on request basis and is not available with general firmware.

Block Diagram
single band embedded wifi module block diagram