Waveshare Rail-Mount Serial Server RS485 to WIFI/Ethernet

WaveshareSKU: EXP-R63-300

Sale price33,54 €

excl. VAT plus Versand

In stock (11 units), ready to be shipped

Manufacturer Product Number: 21968
Taric: 85423190
Country of origin: CN

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This is a RS485 device data acquisitor / IoT gateway designed for industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to HTTPD Client, etc. With RS485, WIFI and Ethernet ports, the module can realize functions such as serial to WIFI, serial to Ethernet, Ethernet to WIFI and so on. Using screw terminals for power input, it supports 5~36V wide range power supply. Rail-mount V0 flame-retardant case design, small in size, easy to install. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring.



  • Communication interface: RS485, screw terminal
  • Power supply: 5 ~ 36V DC, screw terminal
  • Case: PC + ABS, V0 flame retardant grade
  • Dimensions: L × W × H: 109.66 × 28 × 64.71 mm


  • Ethernet: 10 / 100M auto-negotiation RJ45 connector
  • WIFI: 802.11b/g/n compliant
  • Serial port: RS485 interface (Anti-surge, Lightningproof, Over-current protection)


  • Frequency Band: 2.412 ~ 2.484 GHz
  • Wireless network: Station / AP / AP+Station Mode
  • Security mechanism: WPA-PSK / WPA2-PSK
  • Encryption type: TKIP / AES
  • Transmitting power: 802.11b: +19dBm (max @ 11Mbps); 802.11g: +18dBm (max @ 54 Mbps); 802.11n: +17dBm (Max.@HT20, MCS7); +17dBm (Max.@HT40, MCS7)
  • Receiving sensitivity: 802.11b: -89dBm (@11Mbps); 802.11g: -81dBm (@54Mbps); 802.11n: -73dBm (@HT20, MCS7); -71dBm (@HT40, MCS7)


  • Baudrate: 300 ~ 460800 bps
  • Parity bit: none, odd, even, mark, space
  • Data bit: 5 ~ 9 bits
  • Flow control: N/A


  • Protocol: TCP / UDP / ARP / ICMP / DHCP / DNS / HTTP / MQTT
  • Configuration: host, web browser, serial AT command
  • Communication method: TCP/IP direct communication, VCOM
  • Operating mode: Transparent transmission, serial command, HTTPD Client, Modbus TCP to Modbus RTU


  • Operating temperature: -40°C to 85°C
  • Storage temperature: -45°C to 125°C
  • Humidity range: 5% to 95% relative humidity


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This depends on where you are located. After the order is handed over to UPS, the delivery time in Germany is about 2-3 days, within Europe about 1 week.

We ship our orders with UPS (United Parcel Service).

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