... 433MHz,SAW, Low cost Tx_rx module for switch on-off signal transmission, used in remote control, ... and transmitter for on-offsingal: superregeneration receiver module and Superheterodynereceiver.They areused on wireless security system or specificremote- ... entry;* Garage door controller;* Wireless keyboard, mouse, Car Security System;* Industrial remote controlling, measuring;* Low velocity wireless ...