Annoyed of those cellphones ringing in movie theater? Well try this ultraportable cellphone jammer which can kill GSM calls in a range of 5-10 meters.
Features: Portable Palm Phone Jammer
Blocking distance: 5 - 10 meters
Blocking frequency: GSM 850 / 900 / 1800 / 1900 MHz
Size: 6 x 6.8 x 2 cm...
