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[USR-WIFI232-604] RS485 WIFI Converter/ Serial to WIFI adapter

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[USR-WIFI232-604] RS485 WIFI Converter/ Serial to WIFI adapter

China [USR-WIFI232-604] RS485 WIFI Converter/ Serial to WIFI adapter supplier

Large Image :  [USR-WIFI232-604] RS485 WIFI Converter/ Serial to WIFI adapter

Product Details:

Place of Origin: China
Brand Name: USR
Certification: CE/FCC/IC
Model Number: USR-WIFI232-604

Payment & Shipping Terms:

Minimum Order Quantity: 1
Packaging Details: Standard package
Delivery Time: Within 1-5 days as per quantity
Payment Terms: T/T,paypal,WU
Supply Ability: 10000PCS/Month
Minimum Order Quantity: Accept Sample
Software: For free
Detailed Product Description
Item: RS485 To WIFI Converter Serial Port: RS485
Transmission: Bi-directional Antenna: 3dbi
Warranty: 2 Years

User guide and program can be download directly. Pls contact me.

USR-WIFI232-604 RS485 to WIFI Converter

USR-WIFI232-604 is a serial wifi converter,used for data transparent transmission. It can connect with serial device for data transmission. And it can send data from rs485 to WIFI in TCP client,TCP server,UDP client and UDP server mode.


Unique Feature:

1.Have router function
2.Support built-in webpage
3.Support Websocket and HTTPD Client
4.Support TCPB function
5.Module as Server, 32 client can access to it
6.Support AP+STA
7.Support hardware AP


  • Support 802.11b/g/n wireless standard
  • Support TCP/IP/UDP network protocol
  • Support RS485 interface (A/B)
  • 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


System Information
MIPS solution (32bit 580MHz)
RAM / Flash
8M / 2M
Network Parameter
Network Protocol
IP, TCP, UDP, DHCP, DNS, HTTP, ARP, ICMP, Web socket, Httpd client
Receive Buffer
64K byte
Max. Client Number in TCP Server Mode
802.11 b/g/n
Network Mode
AP / Station / AP+Station
STA Number in AP Mode
Frequency Range
2.412 GHz ~ 2.484 GHz
Transmit Power
802.11b: +20 dBm (Max)
802.11g: +18 dBm (Max)
802.11n: +15 dBm (Max)
Receive Sensitivity
802.11b: -89dbm
802.11g: -81dbm
802.11n: -71dbm
RF Model
Transmission Rate
802.11b: 11 Mbps
802.11g: 54 Mbps
802.11n: 54 Mbps
Transmission Range
Max 280m (open horizon, 3dbi antenna)
Wireless Network Security
WEP: 64-bit/128-bit data encryption
WPA, WPA2, 802.11i: advanced mode and PSK mode
Encryption: 128-bit TKIP, AES, TKIP/AES
Antenna Interface
Port Number
Interface Standard
Data Bits
5, 6, 7, 8
Stop Bit
1, 2
Check Bit
None, Even, Odd
Baud Rate
300 bps ~ 460800 bps
Flow Control
Send and receive 4K bytes respectively
Virtual Serial(USR-VCOM)
Windows 2000 or higher(32 bit/64 bit)
Built-in webpage, computer set-up software, serial AT command
Basic Parameter
84 x 84 x 25 mm
Operating Temp.
-40 ~ 85°C
Storage Temp.
-40 ~ 125°C, 5 ~ 95% RH (no condensation)
Input Voltage
Working Current
170 ~ 350 mA @ 5V
AP: 185mA @ 5V
STA: 175mA @ 5V
2 years
5V1A power supply, serial cable, 3dbi antenna


[USR-WIFI232-604] RS485 WIFI Converter/ Serial to WIFI adapter




[USR-WIFI232-604] RS485 WIFI Converter/ Serial to WIFI adapter


STA Mode:


[USR-WIFI232-604] RS485 WIFI Converter/ Serial to WIFI adapter


AP Mode


[USR-WIFI232-604] RS485 WIFI Converter/ Serial to WIFI adapter


[USR-WIFI232-604] RS485 WIFI Converter/ Serial to WIFI adapter

[USR-WIFI232-604] RS485 WIFI Converter/ Serial to WIFI adapter




Contact Details
Jinan USR IOT Technology Limited

Contact Person: Miss. Freda Cui

Tel: 86--15269189756

Send your inquiry directly to us (0 / 3000)