20m Jamming Range Cell Phone Signal Jammer CDMA GSM 3G Cell Phone Blocker
With 4 powerful antennas, the shielding radius can up to 20 meters, of course, the jamming radius still depends on the strength signal in given area ; the stronger jammer can block all signals in this range. You don't worry about the uplink.The jammer could not interference the uplink station signal; just jam the signals of the cell phone.
With the latest design and good cooling system with cooling fan inside, the working temperature of this device won't be high so that the device can keep in good condition.
|Affected Frequency Ranges||
|Jamming range||up to 20m, the jamming radius still depends on the strength signalin given area|
|Operate time||12 hours continuous|
External Omni-directional antennas all the TX frequency covered down link only
|Total output power||4W|
|Power supply||AC adapter (AC110V-240V,DC5V)|