Product Main

Specifications

serial ttl rs232 to 802.11 b/g/n converter Embedded WiFi Module is a tool for MCU link to WIFI network, work for Transparent transmission, TCP server ,TCP client and UDP mode can be choose.
 
You did not need to know wifi detail and make your MCU commulication with PC or notebook or Mobile via WIFI, or just connect two MCUs via wireless WIFI, very easy for use and cheap price.It can be config via AT command and WEB pages. High quality with FCC and CE certification, lots of in stock, bulk supply capacity for large quantity useage.

Features:
  1. Support IEEE802.11 b/g/n Wireless Standards
  2. Support TCP/IP/UDP Network Protocols
  3. Support UART/GPIO/Ethernet Data Interface
  4. Support Work As STA/AP Mode
  5. Support Router/Bridge Mode Networking
  6. Support Board Antenna and External Antenna Option
  7. Support Transparent/Agreement Transmission Mode
  8. Support AT+ Instruction Set for Configuration
  9. Support Friendly Web Congiration Page
  10. Single +3.3V Power Supply
  11. Smallest Size: 25 x 40mm
  12. FCC/CE Certificated
  13. Flexible Software Platform with Linux OS
 Class
Item
Parameters
Wireless Parameters
Certification
FCC/CE
Wireless standard
802.11 b/g/n
Frequency range
2.412GHz-2.484GHz
Transmit Power
802.11b: +20 dBm (Max.)
802.11g: +18 dBm (Max.)
802.11n: +15 dBm (Max.)
Configurable
Receiver Sensitivity
802.11b: -89 dBm
802.11g: -81dBm
802.11n: -71dBm
Antenna Option
External: I-PEX Connector
Internal: On-board chip antenna
Hardware
Parameters
Data Interface
UART: 1200bps - 230400bps
I2C: 100K-1Mbps
GPIOs
Ethernet: 100Mpbs
Operating Voltage
3.3V (+/-5%)
Operating Current
170mA~300mA
OperatingTemperature
-10℃- 70℃
Storage Temperature
-40℃- 85℃
Dimensions and Size
25×40×8mm (USR-WIFI232-B)
30×45×8mm (USR-WIFI232-A)
Software Parameters
Network Type
Station /AP mode
Security Mechanisms
WEP/WAP-PSK/WAP2-PSK/WAPI
Encryption
WEP64/WEP128/TKIP/AES
Work Mode
Transparent Transmission and Agreement Transmission mode
Serial command
AT+instruction set
Network Protocol
TCP/UDP/ARP/ICMP/DHCP/DNS/HTTP
Max. TCP Connection
32
User Configuration
Web Server+AT command config.
User Application SW
Support customized apllication SW with Linux systerm.