Crestone 8 Channel USB Relay Module is great for controlling your devices over wireless link without any RF design knowlege. This module is designed to plug in to your design seamlessly. Individual relay can be controlled by simple commands. 

Numato's Crestone  8 Channel USB Relay Module provides exceptional value for money. It has eight on board 12v DC relays that can switch up to 10A load.The relays are controlled by a Microchip PIC Microcontroller (PIC18F14K50) over wireless link and comes with built in firmware that supports simple commands to control relays and read relay status. This board require . This board can easily be controlled by writing simple serial port application in VC++, VB, VBA (Word, Excell etc), Perl, Python etc.

ZipModem 2.4GHz USB Wireless Modem (To control relays from a PC) or RFD21733 2.4 GHz Serial Wireless Module (to control relays from a microcontroller) is needed in order to to communicate with Crestone - 8 Channel Wireless Relay Module.

Download Product Documentation

Simple perl script to control Crestone