WM825B00-I3/I4 : Module (Chip/Trace Ant & MHF4-IPEX Connector)
Hosted Wi-Fi 802.11b/g/n module family with integrated antenna

WM825B00 from Wi2Wi's Maximum Performance series is a 1x1 SISO, Single-Band Hosted Wi-Fi module. This module is integrated with a chip/trace* antenna and an MHF4-IPEX connector and supports antenna diversity. It is a highly integrated Wireless LAN (WLAN) subsystem with MAC, baseband, RF front-end, PA, crystal, switch, filter and OTP memory for calibration data and MAC address storage. This 802.11 bgn module offers SDIO 2.0 and USB 2.0 host interfaces for easy connection to all leading 32 bit processors running Linux and Android operating systems. This ultra-small wifi module, WM825B00 gives Industry's Best in class performance for high throughput (HT), high transmit power (TXPWR), excellent receive sensitivity (RSSI) and supports deep sleep and standby modes for low power operation. The highly integrated WM825B00 provides all necessary circuitry for a complete 2.4 GHz, IEEE 802.11 b/g/n wi-fi connectivity solutions requiring no other external components other than power supply. WM825B00 is FCC, CE and IC certified and comes in various operating temperatures.

Single-Band Hosted Wi-Fi module
* - Please refer part ordering options for Antenna variations 3/4 (Chip/Trace) in the module


  • Small size WLAN module with footprint: 12.5 mm x 16 mm x 1.76 mm
  • IEEE 802.11b/g/n Single-Band Wi-Fi, 1x1 SISO
  • 20 MHz Channel Bandwidth
  • High Throughput (HT) up to 50 Mbps
  • Support for Station/Client Mode, Access Point Mode, and Wi-Fi Direct Mode
  • Onboard Chip/Trace* Antenna + MHF4 IPEX Connector
  • Support for Antenna Diversity
  • Maximum Wi-Fi transmit (Tx) power is ~ 18 dBm
  • Best Wi-Fi Receiver (Rx) sensitivity is -97 dBm
  • Single power supply operation, 3.3V DC
  • Drivers available for Linux and Android*
  • Support for SDIO and USB host interfaces
  • RF Calibration Data and MAC addresses are stored in onboard OTP memory
  • Optimized RF and electrical design for excellent performance
  • Global certifications: FCC, IC, CE
  • Available in industrial (-40℃ to +85℃), extended (-30℃ to +85℃) and commercial (0℃ to +70℃) operating temperature variants

Block Diagram
Single-Band Hosted Wi-Fi module