Check the listing for details. Coban GPS Tracker Remote Control 433Mhz 2.4G Bluetooth For BAANOOL TK103B 303G. Condition: New. Listed at 5.01 USD. Coban GPS Tracker Remote Control 433Mhz 2.4G Bluetooth For BAANOOL TK103B 303G 311C 401B 401D 403D 405D New type remote control from factory directly Each gps tracker support 2pcs remote control ONLY Customers can buy 2pcs remote controller to monitor your gps tracker at the same time. Before your buy,please really check this remote control is the same with your side one. Kindly check the guide for the remote: If you have one remote work with your on hand tracker, need add another one, follow below steps, if you do not have the siren, ignore the siren part. 1. To program 2 remote control of the GPS device, turn on the GPS and press the SOS (on the harness) for 7 times continuously (it is for the red button on the harness, 7 times continue press need 4 seconds around) and siren beeps.