
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
