5 Antenna Portable 3G GPS Wi-Fi Cell Phone Jammers
Parameters
Output power: 2.5w             
Power supply: 50-60Hz, 100-240V AC 
Jamming range: 15 to 20m, the jamming radius depends on the strength signal in given area 
Deminsion: 133x75x35mm, not include antennas
Full set weight: 0.8kg 

Product Details:

Application area:
1.It can be applied at meeting rooms, conference rooms, trains, bus and more
2.For some locations of special purpose such as hospitals, gas stations and more.
Do field test first to make sure no interference happened to the normal operation of their equipment and instrument

Frequencies:Accessories
1*Portable signal jammer
1*AC charger
1*Car charger
5*Antenna

The jammer is flexibly applicable for its portability and ease of charging. It can be applied at meeting rooms, conference rooms, trains, bus and more location as you want, powered by universally using AC adapter or by 4000mA/h rechargeable battery. The well-designed cooling system will further ensure you a lasting service time, cellphone jammer for sale