With 4-channel type this Portable Handheld Cell Phone Jammer can efficiently provide shield for mobile signals from GSM, CDMA, DCS ,3G,PHS, Satellite phone, etc. You can plus the bluetooth and Wi-fi blocking function, but it needs extra money. Just block the signals of mobile phone when it is necessary and does no effects on the normal operation of other electronic devices; Switching on, it can work stably for a long time; Slow start-up circuit can avoid sparkling caused by mechanical switch. More practical powers you can find fron this jammer kit.Welcome to our jammer world! We will have the great honor to offer the best product and service here.
Isolating signal bandwidth
-GSM: 925-960 MHz
Working time:Can work continuously with AC/DC electricity power,Can work continuously for 2hours
with full charged battery
Environment temperature: - 40��o +55��/li>
Relative humidity: 30% -- 95%
Power adapter AC:110-240V DC: 9V 1300mA / H with built-in rechargeable battery
Output power: 4W(movability)
Effective isolating/shielding diameter: Up to 20meters(depends on local signal strength)
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Contact: Ms. Grace Lucy
Location: shenzhen, GuangDong, China