900MHz Relay

900MHz Relay at a Glance...

  • 2 Relay Installed on a Circuit Board
      - Highly Reliable Under Almost any Conditions
  • Onboard 900MHz Wireless Interface
      - Reliable XBee-PRO 900HP RF Module
      - Requires 900MHz Modem
      - Modem Mounts as a Virtual COM Port
  • ProXR Lite Versions
      - Industry Leading Command Set
      - Not Expandable
  • ProXR Versions
      - Industry Leading Command Set
      - Expandable to 256 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 900MHz Relay Series

900MHz RelayThe 2-channel 900MHz Relays are available in the ProXR Lite and ProXR versions.  Both versions have the same firmware installed and accept the same ProXR command set, the industry leading command set for controlling relays.  The ProXR lite version is non-expandable, the ProXR version is expandable to 256 relays.  When you find your controller click on the Full Description link to view full specs, watch setup videos, download software and purchase.

Selecting a 900MHz Relay

What amperage relay do you need?  Below you will find the 2-channel Long Range Relay Boards that are available.  The difference being the amperage of the relays installed and the type of relay 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.