Mini Portable Cell Phone Signal Blocker 3G Jammer Manufacturer Specifications Isolating SignalBandwidth:
-CDMA(851MHz-894MHz)
-GSM(925MHz-960MHz)
-DCS(1805MHz-1880MHz)
-PHS(1930MHz-1990MHz)
-3G(2110MHz-2185MHz)
Affected Cellphone Standards: GSM, 3G, DCS, CDMA Radius: 0.5- 10 meters (depends on the strength of your local place signal andno much interference) Total output power: 0.5Watts Onboard Controls: ON/OFF Power Source : Wall plug, Car adapter, or Built-in rechargeable Lithium-Ion(LI-ION) battery Battery -Type: LI-ION -Capacity: 1200mAh -Charging Indicators: YES (Red: Charging, Green: Full Charged) -Usage: 2-3 hours continuously Certification: CE, FCC, RoHS,etc Color: Black Dimensions: 97 x 47 x 18 mm (L x W x D)