http://www.hk-aoli.com/goods.php?id=264

Highlights

Worldwide Use This jammer product can block most GSM, CDMA, DCS, PHS, 3G system signals

Long Working Time It comes with a built-in rechargeable Li-battery for 2-3 hours of signal jamming

It can be applied at meeting room, conference room, museum, gallery, theatre,concert hall, church, temple, restaurant, classroom, training center, factory, bank, train, bus, etc. For some locations of special purpose such as hospital, gas station, etc  please do field test first to make sure no interference happened to the normal operation of their equipment and instrument.Its easy to install and operate the device.

Specification

Power supply:Power Adapter or Internal Rechargeble Li-ion Battery

Effective Radius:5-20 meters
Dimension 105x55x21 mm

Energy Consumption:2.7-3W
Accessories:1 x Signal Jammer 4 x Antenna 1 x Power adapter
Isolation Signal Frequency

CDMA 850-894MHz
GSM920-960MHz
DCS 1805-1880MHz
PHS1895-1920MHz or 1930-1990MHz
3G: 2110-2170MHz