All Mobile phone signal WIFI GPS jammer with complete spectrum interference and long jamming range of up to 30 meters. If you are sick of all those phones going off, then this is the anti-spy gadget you have been looking for. This jammer system comes with a built in Cooling fan for system signal jamming, and with the included car power adapter, recharge and use this in your car as well as the office. Incredibly easy to operate, just switch it on and it will immediately start blocking CDMA, GSM, DCS and 3G 4G WIFI GPS to keep your immediate surrounds annoyance free.

Specification:

Affected Frequency Ranges:

​

Feature and Advantage:

--Prevent cheating by using cell phone in the examinations
--Keeping you away from the noise or disturbance of unexpected cell phone calls or SMS in the class time or meeting time.
--Mini-size medium power cell phone jammer
--Low weight and Nice texture and color
--To block wireless phone communication links within an effective area.
--No transmissions or receptions of wireless phone call in coverage area.
--All specified frequency bands will be blocked simultaneously.
--For using at meeting rooms, conference rooms, museums, temples, mosques, galleries, theatres, concert halls, churches, restaurants, classrooms, training centers, factories, banks, trains, buses etc.