About this device:
Are you trying to figure out effective ways to eliminate noise or phone ringing and call interruptions? We recommend this handheld CDMA GSM 3G cell phone jammer for many different occasions where cell phones are not allowed.
RF frequency 1: 850-960MHz, 1805-1990MHz, 2110-2170MHz (US market frequency)
RF frequency 2: 925-960MHz, 1805-1880MHz, 2110-2170MHz (European market frequency)
Output power: 0.5W
Power supply: AC adapter (AC100-240V DC5V)
Dimensions: 96×45×18 mm Interference radius: up to 10 meters (1-10M depends on your background signal strength)
Weight: 0.36kg/pc Available systems: GPRS, GSM, DCS, CDMA, PDC, TDMA, PHS, PCS, IDEN, W-CDMA, UMTS