Mobile Phone signal jammer for completely stopping all of those pesky cell phone calls, with a typical range of 40 meters. This mobile phone signal jammer will stop signals on the DMA, GSM, DCS, and 3G bands without interrupting any other electronic device, and with the high and low setting, you can modify how far the jamming coverage will be. This is a perfect device for all those areas that require quiet including meeting rooms, museums, theaters, churches, classrooms, and is designed to either be used on a table top or inconspicuously placed on ceilings.

Manufacturer Specifications

Mobile Phone Signal Jammed: CDMA, GSM, DCS, PHS Isolating Signal Bandwidth CDMA: 850-894Mhz GSM: 925~960Mhz DCS/CDMA1900: 1805~1990Mhz 3G: 2100~2170Mhz Typical Jamming Radius - 40 meters Max Output Power: 10W (High Setting), 7W (Low Low Setting) Antenna Gain: 3 dBi Working Temperature: -10~ +40 deg C Power Source: DC 5V Dimension: 143x252x51mm (LxWxD).

Other Features:
DCS = CDMA 1990 Passive Cooling (Completely Silent) High/Low jamming range adjustment Tabletop or Ceiling mount design We are able to provide other bandwidth configurations for this product. If ordering more than 25 pieces the please contact customer support for more information on how to specify a product with your exact jamming frequency needs This jammer is designed to dissipate all of it's own generated heat however as internal components warm up the jamming coverage is decreased, it is therefore recommended to give this unit a cool down period every 2 days if you wish to use it continuously.

Accessories:

Manual 4x Antenna Power Adapter.