900 MHz Wireless Relay

900 MHz Wireless Relay at a Glance...

  • 4 Relay Installed on a Circuit Board
      - Not Expandable
  • Onboard 900MHz Wireless Interface
      - Reliable XBee-PRO 900HP RF Module
      - Requires 900MHz Modem
      - Modem Mounts as a Virtual COM Port
  • Industry Leading ProXR Command Set
      - Program in Almost any Language
      - Send Specific Commands to Control Relays
      - Control Any or All Relays
      - Toggle, Flash and Timing Commands
  • ProXR AD8 Command Set
      - Read 0 to 5 Volt Sensors
      - Monitor External Sensors or Contact Closure
      - Relay Activator, Inputs Directly Control Relays

Selecting the Proper Amperage

For more information on selecting a board with the correct relay amperage for your application see Choosing a Proper Amperage.

Simple Wireless Communication

Boards on this page are equipped with an XBee-PRO 900HP RF module that adds 900 MHz wireless communications to the board.  The board uses a modem connected to the USB port of your computer to wirelessly communicate to the board.  The modem mounts as a COM port on your PC, send your commands to the COM port and the modem wirelessly sends the command to the board.  That's all there is to it!!!

Selecting a 900 MHz Series

900 MHz Wireless RelayThe 4-channel 900 MHz Wireless boards are available with the ProXR Lite firmware.  ProXR Lite boards have the ProXR command set, the industry leading command set for controlling relays.  The ProXR Lite versions are non-expandable with 8-Channels of 8/10-Bit Analog to Digital Converters, capable of reading analog voltages from 0 to 5 Volts DC.  When you find your controller click on the picture to view full specs, watch setup videos, download software and purchase.

Selecting a 900 MHz Wireless Relay

What amperage relay do you need?  Below you will find the 4-channel 900 MHz Wireless Relay Boards available.  The difference being the amperage of the relays installed and the ProXR Version.  Choose a board that accommodates the amperage you are switching.  You will find SPDT relays in the 5, 10 and 20 amp versions and an SPST version in 30 amp.  For more information on selecting the correct relay for your application see Choosing a Proper Amperage.