RS485 to WiFi Interface Converter, USR-WIFI232-604-V2


1 in stock

SKU: USR0-604Code: USR-WIFI232-604-V2

RS485 to WiFi Interface Converter - USR-WIFI232-604-V2

$63.00 inc. GST

1 in stock


This is a quality interface converter from USR. Their products are known for their quality, good documentation and easy to use software.

The USR-WIFI232-604-V2 is a serial RS485 to WiFi (TCP/IP) interface converter, used for data transparent transmission. The device is configured using built-in webpages, or via the RS485 port. Data can be sent from RS485 to WIFI in TCP client, TCP server, UDP client and UDP server mode.s Up to 32 simultaneous client connections to Soft AP interfaces are possible.  It can be configured via built in webpages, and firmware is network upgradable. This device is very well built, and is supplied in a sturdy metal enclosure. It is manufactured with high quality components, and the latest PCB assembly techniques. 

This product consists of the following:
  1 x Genuine USR-TCP232-410S
  1 x WiFi Antenna
  1 x Australian Wall Mount Power Supply, 5V, 1A, 2.1mm Connector

Additional information is available on USR's product site.

Additional information is available on

This product will be shipped via eParcel from Sydney (except if you upgrade to express post during checkout).


  • IEEE802.11b/g/n wireless standards
  • TCP/IP/UDP network protocols
  • RS485 data interface
  • Can work as STA/AP/AP+STA mode
  • Support router/bridge mode networking
  • 3dbi external antenna
  • Support transparent transmission mode
  • AT+ Command for configuration
  • Support friendly web configuration page
  • Support palmodic signal
  • Single 5-9V power supply
  • Small Size: 84 x 84x25mm
  • FCC/CE/RoHS/TELEC certificated

Typical Applications

  • Serial RS485 to Wifi
  • 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


System Information 
ProcessorMIPS solution (32bit 360MHz)
RAM / Flash8M / 1M
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
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
Transmission Rate802.11b: 11 Mbps
802.11g: 54 Mbps
802.11n: 54 Mbps
Transmission RangeMax 400m (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
Port Number1
Interface StandardRS-485: 2 wire( A+, B-, GND)
Data Bits5, 6, 7, 8
Stop Bit1, 2
Check BitNone, Even, Odd, Space, Mark
Baud Rate300 bps ~ 460800 bps
BufferSend and receive 4K bytes respectively
ProtectionRS-485: surge protection, overvoltage protection
RS-485 Pull-up and Pull-down Resistor2.2 KΩ
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 ~ 9 V
Working Current170 ~ 350 mA @ 5V
PowerAP: 185mA @ 5V
STA: 175mA @ 5V
CertificateCE, FCC, ROHS, TELEC
Warranty2 years
Accessory5V1A power supply, 3dbi antenna

Additional Information, Software & Documentation

For additional Information, Software & Documentation, see the product page on USR's website.

  • Data Sheet:
  • User Manual:
  • Quick Start Guide:

For additional Information, Software & Documentation, see the product page on USR's website:

Modes of operation

This product can be used for:

    • AP Mode
    • STA Mode
    • AP+STA Mode
    • One AP and one STA Mode

Comparison between 602, 604, 610 and 630:

Package Includes

1 x Genuine USR-TCP232-410S (RS485 Serial to WiFi Converter)
1 x Australian Wall Mount Power Supply
1 x WiFi Antenna

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SKU: USR0-604 Category: Tags: , , ,
Weight230 g

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