Can block a frequency range as low as...
Desktop or Portable Cell Phone Jamming equipments and Mobile Phone Blockers.
Note:This is an old model and the factory has stopped producing this jammer. Alternatively, you could buy its upgraded version:1) 2G 3G 4G & WiFi 2.4GHz Jammer2) Or 2G 3G WiFi GPS signals jammer REAL 5 Powerful Antennas than other jammers site!!
Jamming radius: 10-30M, Note: the jamming radius is just for reference. If your operation location is too close to the base station, the jamming radius will go down!Coverage area: 100-300 ㎡