RF Transmitter Remote and RF Receiver Relay Switch Pair is used to provide remote access of appliances to the user within a range of 200 meters. One can use it to control garage doors, lights, fans, etc. This device is used for wireless communication over a short distance. These radio frequency modules can be made portable in size and can be embedded with many devices on a board to provide remote access to these said devices. Here this RF module with a relay makes it possible to remotely control the relay and thus control another device that is in turn connected to the relay.RF Transmitter Remote and RF Receiver Relay Switch Pair is used to provide remote access of appliances to the user within a range of 50 meters. One can use it to control garage doors, lights, fans, etc. This device is used for wireless communication over a short distance. These radio frequency modules can be made portable in size and can be embedded with many devices on a board to provide remote access to these said devices. Here this RF module with a relay makes it possible to remotely control the relay and thus control another device that is in turn connected to the relay.