Jinan USR IOT Technology Co., Ltd

China Manufacturer with main products: Rs232 to Ethernet, WiFi Module, Serial Module, GPRS Dtu, Ttl to WiFi

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Industry Embedded wifi to rs232 uart adapter module CE FCC

FOB Price: 21.00 - 27.00 USD/Piece
Supply Ability: 6,000 Piece/Pieces per Week
Shipping: DHL/EMS
Payment Terms: T/T, Paypal, Western Union
In Stock
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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Shandong in China
Packaging Details: Neutral packing


Industry Embedded wifi to rs232 uart adapter module CE FCC is a device for commulication from UART device with Wifi, this wifi to rs232(TTL UART) module has small size, antenna on board, can use for your hand system.
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.

Wireless Parameters
Wireless standard
802.11 b/g/n
Frequency range
Transmit Power
802.11b: +20 dBm (Max.)
802.11g: +18 dBm (Max.)
802.11n: +15 dBm (Max.)
Receiver Sensitivity
802.11b: -89 dBm
802.11g: -81dBm
802.11n: -71dBm
Antenna Option
External: I-PEX Connector
Internal: On-board chip antenna
Data Interface
UART: 1200bps - 230400bps
I2C: 100K-1Mbps
Ethernet: 100Mpbs
Operating Voltage
3.3V (+/-5%)
Operating Current
-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
Work Mode
Transparent Transmission and Agreement Transmission mode
Serial command
AT+instruction set
Network Protocol
Max. TCP Connection
User Configuration
Web Server+AT command config.
User Application SW
Support customized apllication SW with Linux systerm.
  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

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