Wifi Serial Server with RS232 Terminal Interface

USR-WIFI232-603-V2 is a serial wifi converter, which can realize bidirectional transparent data transmission between RS232 and Wifi.

  • 1 RS232 serial port
  • Low Voltage Range of 5-9v DC
  • 32 simultaneous client connections to Soft AP interface
General Details

Introduction of Wifi Serial Server

USR-WIFI232-603-V2 is a serial wifi converter, which can realize bidirectional transparent data transmission between RS232 and Wifi. And the device has a rs232 terminal interface.

Features of Wifi Serial Server

  • Support 802.11b/g/n wireless standard
  • Support TCP/IP/UDP network protocol
  • RS232 terminal interface with RTS/CTS flow control
  • 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
  • Max transmission distance: 280 meters (open horizon, 3dbi antenna)
  • Support DC adapter and terminal power supply
  • Work mode: TCP Server, TCP Client, UDP Client, UDP Server
  • Indicator light: Power, Ready, Link, TXD, RXD
  • Serial port baud rate from 300 bps to 460800 bps
  • Set parameters through webpage
  • Reload key to restore factory settings

Application field of Wifi Serial Server

  • 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

Networking mode of Wifi Serial Server

1.AP Mode
603 application-of-AP-mode
2.STA Mode
603 application-of-STA-mode
3.AP+STA Mode
603 application-of-AP-STA
4.One AP and one STA Mode
603ONE-ap-one-sta-mode

Image of Wifi Serial Server

603-V2 images

Parameter
System Information
ProcessorMIPS solution (32bit 580MHz)
RAM / Flash8M / 2M
Network Parameter
Network ProtocolIP, TCP, UDP, DHCP, DNS, HTTP, ARP, ICMP, Web socket, Httpd client
Receive Buffer64K byte
Max. Client Number in TCP Server Mode32
Wi-Fi
Standard802.11 b/g/n
Network ModeAP / Station / AP+Station
STA Number in AP Mode32
Frequency Range2.412 GHz ~ 2.484 GHz
Transmit Power802.11b: +20 dBm (Max)
802.11g: +18 dBm (Max)
802.11n: +15 dBm (Max)
Receive Sensitivity802.11b: -89dbm
802.11g: -81dbm
802.11n: -71dbm
RF ModelDSSS / OFDM
Transmission Rate802.11b: 11 Mbps
802.11g: 54 Mbps
802.11n: 54 Mbps
Transmission RangeMax 280m (open horizon, 3dbi antenna)
Wireless Network SecurityWEP: 64-bit/128-bit data encryption
WPA, WPA2, 802.11i: advanced mode and PSK mode
Encryption: 128-bit TKIP, AES, TKIP/AES
Antenna InterfaceSMA
Serial
Port Number1
Interface StandardRS-232 terminal
Data Bits5, 6, 7, 8
Stop Bit1, 2
Check BitNone, Even, Odd
Baud Rate300 bps ~ 460800 bps
Flow ControlRTS / CTS
BufferSend and receive 4K bytes respectively
Software
Virtual Serial(USR-VCOM)Windows 2000 or higher(32 bit/64 bit)
ConfigurationBuilt-in webpage, computer set-up software, serial AT command
Basic Parameter
Size84 x 84 x 25 mm
Operating Temp.-40 ~ 85°C
Storage Temp.-40 ~ 125°C, 5 ~ 95% RH (no condensation)
Input VoltageDC 5 ~ 24 V
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