M2M WiFi Module, External Antenna

M2M WiFi Module, External Antenna

Model: USR-WIFI232-B2

USR-WIFI232-B2 is an embedded 802.11 b/g/n M2M wifi module, with External Antenna. It can connect traditional serial device and MCU controlled device with wifi network to realize control and management.
  • 1 TTL Serial Ports Supporting Data Rates of up to 460.8Kbps
  • 580MHz Frequency
  • 32 simultaneous client connections to Soft AP interface
  • External antenna

M2M WiFi Module, External Antenna

General Details

Introduction of M2M Wifi Modules

USR-WIFI232-B2 is an embedded 802.11 b/g/n wifi module. It can connect traditional serial device and MCU controlled device with wifi network to realize control and management.The module has an Ethernet port. It can realize mutual data transmission among wifi, serial and Ethernet.

Features of M2M Wifi Modules

  • Support 802.11b/g/n wireless standard
  • Support TCP/IP/UDP network protocol
  • Support UART/GPIO/Ethernet data interface
  • Support work as STA/AP/AP+STA mode
  • Support router and bridge mode
  • External antenna
  • Support transparent transmission mode
  • Provide AT+ instruction set for configuration
  • Provide friendly web configuration page
  • Support heartbeat signal and wifi connection indication
  • Support UART auto-frame function
  • 3.3V power supply
  • Max transmission distance: 280 meters (open horizon, 3dbi antenna)

Application Field of M2M Wifi Modules

  • WiFi remote control and monitoring, TCP/IP and WiFi coprocessor
  • WiFi remote control toy such as aircraft and cars
  • WiFi Internet radio, camera, digital photo frame
  • Medical instrument, data acquisition, handheld device
  • WiFi fatness testing machine, smart card terminal, Smart Home
  • Instrument, equipment parameter monitoring, wireless POS machine
  • Modern agriculture, military field and other wireless related secondary development applications

Function Chart of M2M Wifi Modules

Function Chart of Wifi Modules

Function Structure of M2M Wifi Modules

Function Structure of Wifi Modules

Networking Mode of M2M Wifi Modules

1.AP Mode

Networking Mode of Wifi Modules
2.STA Mode

STA Mode of M2M Wifi Modules
3.AP+STA Mode

AP+STA Mode of M2M Wifi Modules

Image of M2M Wifi Modules

Image of Wifi Modules

 

Specifications

Wireless Parameters  
Certification FCC/CE
Wireless Standard 802.11 b/g/n
Frequency Range 2.412GHz-2.484GHz
Transmit Power 802.11b: +20dBm (Max.)
802.11g: +18dBm (Max.)
802.11n: +15dBm (Max.)
Configurable
Receive Sensitivity 802.11b: -89dBm
802.11g: -81dBm
802.11n: -71dBm
Antenna External: I-PEX connector
Hardware Parameter  
Data Interface UART: 300bps~460800bps
Ethernet: 10Mbps/100Mpbs
GPIOs
Working Voltage 3.3V (+/-5%)
Working Current AP: 169mA (average), 305mA (peak)
STA: 164mA (average), 197mA (peak)
Working Temp. -40°C ~ 85°C
Storage Temp. -40°C- 125°C
Size 25mm x 40mm x8mm
Software Parameter  
Wireless Network Type Station/AP mode
Security Mechanism WEP/WPA-PSK/WPA2-PSK
Encryption Type WEP64/WEP128/TKIP/AES
Work Mode Transparent transmission mode, serial command mode
Setting Command AT+ instruction set
Network Protocol TCP/UDP/ARP/ICMP/DHCP/DNS/HTTP
Max. Client Number in TCP Server Mode 32
User Configuration Web server+AT command config
Client Application Software Clients can customize application software

How to Buy

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