... control for car alarm security system, customized frequency, function up to customer. Product Appearance :Item : wirelss remote controlBattery Model : 27A Voltage ... kinds of PCB with different function .For home /car alarm ,such asASK ,OOK modulate mode remote ,gate opener, ... car cental system and so on .Encoder model : HCS301,HCS201,HCS200,HCS500,HCS300,HT6P20B,HT6P20A,HT6P20D, EV1527 ...