Today we would like to introduce our Signal Jammer DZ-101F-A. *Specification: 1)Takes use of infrared remote control,It control the Jammer on or off and can adjust the jammer effect distance, with this you can control the jammer effect area 2) 4-channel type can efficiently provide shield for mobile signals from CDMA, GSM, DCS,PHS or 3G. 3)It only shields the signals from mobile phone and does not affect the normal operation of other electronic devices 4)Switch on, it can work stably for a long time. 5)Slow start-up circuit can avoid sparking caused by mechanical switch * Working time: It can work stably for long time *Technial Features 1)Power supply: AC110V or AC220V 2)valid remote control: >3 meters 3)valid jammer diameter: 2-50 meters: 4)Jammer Band: CDMA870-880MHz GSM 935-960MHz DCS1805-1850MHz PHS1895-1918MHz or 3G 2110-2170MHz 5)Total output power: 10W 6)RF output power each band :2.5W 7)worktime: It can work stably for long time 8)running temperature: -40 to +55 Celsius Degree 9)humidity: 30%-95% *Components List 1)Mainframe of mobile phone signal isolator one set 2)Antenna one set (4 pcs) 3)Remote Controller 1 pcs 4)power cable 1 pcs 5)power adapter 1pcs 6)instruction 1 pcs 7)stand 1 pcs Welcome to contact us to know more details and thanks for your business opportunity. Daisy Zhan Sales Manager 86-139-2378 5451