... 2.With RF antenna & gsm antenna; 3.With 2 groups of relay outputs products introductionThis Excellent GSM + Camera ... compensation, hint function for camera fault.Support GSM/CDMA, remotely control the alarm host to ... detector, 1 wireless door sensor,1 siren, 2 remote controllers, 1 camera, 1 GSM antenna and 1 RF ... antenna ,1 power supply, 1 manual GSM alarm system with ...