Phone jammer china japan - phone jammers china patent
This Cell Phone Amplifier Repeater - High Power GSM/3G Dual Band Cell Phone Signal Booster is equipped with DCS/GSM Dual Band Repeater, High-gain linear power amplifier and Ultra-low noises receive amplifier, etc. It will allow you for catching more calls no matter anytime anywhere. There is no interference to the base station after the opening the original system and the base station without the need to adjust parameters. With stable and reliable electromagnetic compatibility design, you will find out the best one for your need.
Just like other Cell Phone Signal Boosters, it can be applied into different places; small regions signal blind or weak signal areas, such as underground or semi-underground place of business, basements, underground parking, etc. Also this booster is popular with small-scale hot-spot signal Complaints areas, such as conference rooms ,a small supermarket, small shopping malls ,the office and small public areas ,etc. Traffic and large social influence areas ,such as bars ,cafes ,dance halls ,cafes ,fitness clubs and leisure etc. Some other occasions you can also see it. Elevator, lift wells in particular, home, office, luxury yachts, private cars, public security system and road safety management, etc.
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GSM/3G Dual Band Cell Phone Signal Booster Specification
-Uplink GSM890-915MHz, 3G 1920-1980MHz
-Downlink GSM935-960MHz, 3G2110-2170MHz
-GSM: Up link: Gp ≥70dB,Downlink: Gp≥75dB
-3G:Up link: Gp≥70dB,Downlink: Gp≥75dB
-GSM Up link ：25dBm,3GUp link ：27dBm
-GSM Downlink: 27dBm, 3G Downlink: 27dBm
-Power supply LED denote
-Export power LED denote
I/O impedence: 50Ω/N connector
Power supply: AC: 110-240V DC: 9V
Coverage area: 80Sqm
Note:Please be clear about which frequency you want to boost. You must check your local Mobile Frequency range and choose the booster as per your required Frequency. Please check your country’s Mobile Frequency here. http://worldtimezone.net/gsm.html
phone jammer china japan
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