Linear ACT-22B 3-Channel Block Coded Key Ring Transmitter Supplied With Quick-Disconnect Key Ring Compatible With All Linear Access Receivers And Controllers Custome Block Coded In Megacode Format Powered By Two 1616 Batteries 318 Mhz RF Frequency
Nortek Control LMT-1/303 Miniature Transmitter Famous Panic Button Design Test/Operate LED Adjustable Lanyard With Breakaway Release Megacode Format 303875 Mhz RF Frequency
Linear ACT-22B 3-Channel Block Coded Key Ring Transmitter Supplied With Quick-Disconnect Key Ring Compatible With All Linear Access Receivers And Controllers Custome Block Coded In Megacode Format Powered By Two 1616 Batteries 318 Mhz RF Frequency