WiFi RS-422/485 serial adapter, Wireless RS422 RS485 converter, Modbus TCP RTU

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WiFi RS485 serial converter

Key Features

WiFi RS-422, RS-485 serial adapter

Model: WA-485E
Support 7,8 data bit
Virtual COM port driver included

WiFi RS422, WiFi RS-422, WiFi RS485, WiFi RS-485

Features: WA-485 adapter is built in the embedded TCP/IP and compatible with IEEE 802.11 b/g/n standard. The products will support the wide range of power supply from 5 to 24 VDC input. The high performance RF features will support long range of wireless coverage. The serial port will support RS-422 and RS-485 interfaces. The RS-485 supports Modbus TCP RTU function.

 Ultra low power for battery powered applications 
 Firmware upgrade via air by webpage
 Supports Simple AP and Station modes 
 Secure Wi-Fi authentication schemes (WEP/WPA/WPA2,...) 
 Full on board TCP/IP stack (no external drivers required) 
 Configuration over wireless interface using simple ASCII commands 
 Data Rate from 1.2K to 921 Kbps
 Support 7 or 8 data bits
 TCP Server/Client
 1 to 5 connection with the same data transmission
 RS-485 ADDC  (Automatic Data Direction Control)
 RS-485 Modbus TCP RTU

1. Networking Standards: 802.11b, 802.11g, 802.11n(single stream)
2. Data rates: 
 ● IEEE 802.11b, 1-11Mbps
 ● IEEE 802.11g, 6-54Mbps
 ● IEEE 802.11n(2.4GHz), 7.2-72.2 Mbps
3. Frequency Band: 2.4GHz
4. Modulation: OFDM, DSSS (Direct Sequence Spread Spectrum), DBPSK, DQPSK, CCK , 16QAM, 64QAM
5. Wi-Fi security: WEP, WPA, WPA2
6. Protocols: DHCP, TCP, UDP
7. Supply voltage: 5~24 VDC
8. Output power: 0dBm to +12dBm
9. Power consumption: 4uA sleep, 35mA active RX, 180mA TX (at +12dBm)
10. Data rate: 1,200~921,600 bps over UART
11. Operating temperature: -40C to +85C
12. Transmit power: 
 ● +17dBm @802.11b
 ● +13dBm @802.11g
 ● +11dBm @802.11n
13. Antenna: 2 dBi dipole antenna (SMA)
14. Dimensions: 80 x 40 x 18 (mm)
15. White Box Dimension: 11 x 6 x 5 (cm)
16. Total Package Weight: 132 g
17. Package Contents:
 ● WiFi RS-422/485 adapter x 1
 ● 2 dBi dipole antenna x 1
 ● A4 User manual x 1
 ● USB Cable x 1 (w/o power adapter)

Power input: There’re two power inputs, mini USB or blue 2 ports block terminal. Please switch to choose one way to power the adapter. The max voltage is 24 VDC input from the blue block terminal. 

• Block Terminal Connector:RX-/B  RX+/A  TX-  TX+
Terminator:2 pins
  Open: Off
  Close: On, Please connect the 2 pins with a cable to enable.
External Power Supply:GND (Power & Serial port) + : 5 ~24VDC 

Power switch:mini USB side by default. The user will switch to the blue 2 ports block terminal side if the power input comes from other sources.

•  WiFi RS-422/485 Connection: max. 1 to 4


The adapter will bundle the utility which support the search, setup, firmware upgrade and virtual COM port driver in Windows OS w/o extra cost.

Web page configuration:

Remark: All contents are subject to change without notice.

Payment Details

  • Payment Terms:PayPal ,Alipay
  • Minimum Order:1 Piece(s)


  • WiFi RS485 adapter introduction

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