This small key fob transmitter / receiver pair has 4 channels and a range of about 200'.
This receiver type is good for data rates up to 2400bps and will only work with the 315MHz transmitter.
This is only the 315MHz transmitter. This will work with the RF Links at 315MHz at either baud rate. Only one 315MHz transmitter will work within the same location.
This 315MHz RF transmitter/receiver set is a simple 100M remote-operation control link