1 Port WiFi to serial converter USR-W630, which can realize bidirectional transparent transmission between RS232/RS485 and WIFI, WiFi and Ethernet, Serial and Ethernet.

● 1-port RS-232 or RS485 to 802.11 b/g/n WLAN serial device server
● Links serial and Ethernet devices to an IEEE 802.11b/g/n network
● Supports TCP server/client, UDP server/client,https client, Virtual COM
● Supports Modbus RTU to Modbus TCP
● Supports multiple networking mode with 2 RJ45 ethernet port
● Serial to WiFi / WiFi to Ethernet converters

System Information


MIPS solution (32bit 360MHz)

RAM / Flash

8M / 1M



Port Number

2 (with exchange function)

Interface Standard

8 pin RJ45(2 Ethernet: LAN/WAN optional)


10/100 Mbps, MDI/MDIX, auto switch between cross and direct connection


2KV electromagnetism isolation, shell insulation blocking

Network Protocol

IP, TCP, UDP, DHCP, DNS, https, ARP, ICMP, Web socket, httpsd 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 400m (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

2 (1*RS-232, 1*RS-485, can not work at the same time)

Interface Standard

RS-232: DB9 pin type
RS-485: 2 wire (A+, B-, GND)

Data Bits

5, 6, 7, 8

Stop Bit

1, 2

Check Bit

None, Even, Odd, Space, Mark

Baud Rate

300 bps ~ 460800 bps

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Modbus RS232 RS485 to Wifi Server with 2 Ethernet Modbus RTU TCP Converter (USR-WIFI232-630)

  • Brand: usr iot
  • Product Code: USR-WIFI232-630
  • Availability: Out Of Stock
  • Rs.3,625.00

Tags: Modbus, rs232, rs485, wifi, server, 2 ethernet, modbus, rtu, tcp, converter, USR-WIFI232-630