Have you heard remote control 4g cell phone jammer?

This 4G Cell phone jammer is a powerful cell phone signal shield. It disables nearly all kinds of cell phone signals. If you really don't want to be interrupted by personal calls at important meeting or something else, then you'll require this useful item – 4g cell  phone jammer.http://www.4gcellphonejammers.com/

4g cell phone jammer Effective shielding radius: 10-40m (Depending on the strength signal in given area)
No harm to human being, eco-friendly
With omni-directional antennas
Easy to install and operate
Technical Specifications

Cover interface standards: Digital: IDEN, TDMA, CDMA, GSM and UMTS
Anaog: AMPS, NMT, N-AMPS, TACS
Total output power: 11W (CDMA800:3W, GSM900:3W, 1805-1990: 2.5W, 2100-2200: 2.5W)
Antennas External Omni directional

Every band frequency can select output power
All the TX frequency covered down link only
Automatic power switching power supply: 50 / 60 Hz / AC 100 ~ 240V

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