Product Description This Cell Phone Signal Booster for GSM/DCS Dual Band (900MHz/1800MHz) can be applied into different places for improving the quality of your phone calling. It can be used in following small regions signal blind or weak signal area, 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. From above you can know its power, so what are you hesitating about? Go directly and buy one for you necessary usage. This Cell Phone Signal Booster for GSM/DCS Dual Band Specification: Frequency range: -Uplink GSM890-915MHz, DCS1710-1785MHz -Downlink GSM935-960MHz, DCS 1805-1880MHz Gain： -Up link: Gp≥65dB,Downlink: Gp≥70dB -Up link: Gp≥60dB,Downlink: Gp≥67dB Output up: -GSM Up link: 15dBm,DCS Up link: 13dBm -GSM Downlink: 20dBm, DCS Downlink: 18dBm Function: -Power supply LED denote -Export power LED denote Port VSWR:≤1.8DB I/O impedence: 50Ω/N connector ALC:≥20dB In-Band ripple:≤6dB Noise figure:≤6dB Transmission delay:≤0.5μs Gross Weight: 760G Power supply: AC: 110-240V DC: 5V Size: 170*105*30mm Coverage area: 60Sqm 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

at&t cell phone jammer

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