Main view
  • Main view
  • Side view
ID: 1184202
Tax included

zł118.49 tax excl.

Industrial converter that provides easy communication between the RS485 interface and RJ45 Ethernet or WiFi wireless network. Mounted on an industrial DIN rail. USR-DR404

Available quantity: 35

Free shipping

free shipping in Poland for all orders over 500 PLN


Same day shipping

If your payment will be credited to our account by 12:00


14 days for return

Each consumer can return the purchased goods within 14 days


An industrial converter that provides easy communication between an RS485 interface and an RJ45 Ethernet or wireless WiFi network. The device can operate as a TCP server, TCP client, UDP server, UDP client or HTTPS client and is configured via a web page or AT commands. The converter supports conversion between different protocols, including support for MQTT, Modbus or SMS. It has a built-in hardware watchdog, reverse polarity protection and surge protection and is powered by a wide voltage range from 5 to 36 V.


  • Ethernet:
    • Connector: RJ45
    • Communication speed: 10/100 Mb/s
  • RS485:
    • Connector: screw terminal (A+, B-, GND)
    • Data bits: 5 - 9 bits
    • Stop bits: 1, 2
    • Parity bit: none, odd, even, sign, space
    • Baud rate: 300 bps to 460.8 kbps
    • Interface protection: overvoltage, overload protection
  • WiFi wireless communication:
    • 802.11b / g / n
    • Frequency band 2.412 to 2.484 GHz
    • Wireless station / AP / AP + station mode
    • WPA-PSK / WPA2-PSK security mechanism
    • TKIP / AES encryption
    • Transmission power:
      • 802.11b: + 19dBm (max @ 11Mbps)
      • 802.11g: + 18dBm (max @ 54Mbps)
      • 802.11n: + 17dBm (max @ HT20, MCS7); + 17dBm (max @ HT40, MCS7)
    • Reception sensitivity:
      • 802.11b: -89dBm (@ 11Mbps)
      • 802.11g: -81dBm (@ 54Mbps)
      • 802.11n: -73dBm (@ HT20, MCS7); -71dBm (@ HT40, MCS7)
  • Configuration: host, browser, AT commands
  • Voltage: 5 to 36V
  • Reverse polarity protection, anti-overvoltage
  • Working temperature: -40 to 85 ° C
  • Storage temperature: -40 to 105 ° C
  • Mounting on a DIN rail
  • Dimensions: 109.66 x 28 x 64.71 mm

Kit contains

  • Converter USR-DR404
  • Antenna
  • Power cable
  • Power supply 5V 1A

Other products in the same category (16)

We use cookies and other tracking technologies to improve your browsing experience on our website, analyze our website traffic, and to understand where our visitors are coming from. By browsing our website, you consent to our Privacy Policy.