900 MHz Wireless Relay at a Glance...
- 4 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 900 MHz Series
The 4-channel 900 MHz Wireless 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 board click on the Full Description link to view full specs, watch setup videos, download software and purchase.
