900MHz Relay Control - 24 Channel

900MHz Relay Control at a Glance...

• 24 Relay Installed on a Circuit Board
    - Highly reliable under almost any conditions
• Onboard 900MHz Wireless Interface
    - Reliable 2-Mile Standard Module
    - Requires 900MHz Modem
    - Modem Mounts as a Virtual COM Port
• ProXR Versions
    - Expandable to 256 Relays
• Industry Leading Command Set
    - Send Specific Commands to Trigger Relays
    - Trigger Any or All Relays
    - Program in Almost any Language
    - Read 0 to 5 Volt Sensors

Selecting The 900MHz Interface

By selecting the 900MHz interface you will be sending commands through a modem connected to the USB port of your computer.  Boards on this page are equipped with a XBee 900HP communications module that adds wireless communications to the board.

Selecting a 900MHz Relay Control

Below you will find the 24-channel 900MHz Relay Control that are available.  The difference being the amperage of the relays installed and the type of relay.  Choose the controller that fits 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.

Selecting a 900MHz Relay Control Series

The 24-Channel boards are available in the ProXR versions.  The boards have firmware installed and accept the ProXR command set.  The ProXR Command Set is the industry leading command set for controlling relays.  All ProXR controllers are 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.