Cell phone blocker school - best cell phone jammer to buy

GSM / DCS Signal Booster + Antenna (Outdoor/Indoor), Coverage: 200 Square meters

1) Frequency range: a) Forward : GSM: 935-960(MHz), Reverse: GSM 890-915(MHz); b) Forward: DCS 1805-1880 (MHz), Reverse: DCS 1710-1785 (MHz) 2) Input Power Range: -70~ -40dBm 3) Coverage: 200m2 (Distance will reduced when obstacles are in the way i.e. surrounding walls)  4) Gain(dB): Forward: 65dB+-2dB; Reverse: 60dB+-2dB 5) Characteristic Impedance: 50 6) VSWR: 7) Tx/Rx lsolation: >80dB 8) Noise figure: 9) Group delay: 10) Pass Band Ripple: 3.0dB p-p 11) Main Power: AC 220V(used AC/DC 9Vdc) 12) Cabinet Style: In-door wall mount type 13) Dimensions: Signal Booster: 235 x 180x 23 mm (L x W x D) * Application place of mobile phone signal amplifier: 1) Small regions signal blind or weak signal area, such as underground or semi-underground place of business, basements, underground parking, etc. 2) Small-scale hot-spot signal Complaints areas, such as conference rooms, a small supermarket, small shopping malls, the office and small public areas, etc. 3) Traffic and large social influence areas, such as bars, cafes, dance halls, cafes, fitness clubs, leisure and entertainment, etc. 4) Home, office, luxury yachts, private cars, public security system and road safety management, etc. * Package Contents 1) Cell Phone Signal Booster  2) 3DB Indoor Antenna  3) 11DB Outdoor Antenna  4) Power Adapter  5) Indoor Antenna Size: 16.5x16.5x11.5cm, Cable Length: 5m 6) Outdoor Antenna Size: 40x20.7x6.3cm, Cable Length: 10m Specification:  Package Weight One Package Weight 4.00kgs / 8.82lb Qty per Carton 1 Carton Weight 4.00kgs / 8.82lb Carton Size 45cm * 28cm * 25cm / 17.72inch * 11.02inch * 9.84inch

cell phone blocker school

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