![Long Range Wireless Relay](/photos/xsc_relay/R110PL_XSC-NCD.png)
Long Range Wireless Relay at a Glance...
- 1 Relay Installed on a Circuit Board
  - Highly reliable under almost any conditions - Onboard 900MHz XSC 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
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 Long Range Wireless Relay Series
![Long Range Wireless Relay](https://relaypros.com/photos/xsc_relay/xbee-pro-900hp_left.png)