Are cell phone jammers illegal in schools | phone jammers china aircraft

Product Description The device featured by easy installation & operation and no interference. It is the ideal device for boost mobile phone signal. A mobile phone repeater could also improve indoor magnetism environments, protract cellular battery life and reduce radiation of cellphones. Features l  High gain, easy installation and operation. l  Full-duplex, single-port design, build-in power supply. l  Use ALC technology, adjust extent automatically l  LED Light Working & Signal Condition Indicators l  Big linear power, control intermodulation & saturation stably l  Dependability stand by GB6993-86 standard l  Compatibility of electromagnetism according with ETS300 609-4 l  CE and RoHs Approved Technique Frequency range 890915MHz,935960MHz Gain ( dB) Uplink Gp≥55 Downlink Gp≥60 Export power (Po) ≥33dBm Pass band ripple ≤3dB I/O impedance 50Ω/N connector Noise figure ≤4dB Transmission Delay ≤0.5μs Ambient temperature -10?pan>60?pan> Power supply AC110240V 4555Hz Size 204×120×37mm Reliability To the GB6993-86 standard Electromagnetic compatibility To the ETS300 694-4 standard Function a) Power supply LED denoteb) Export power LED denote coverage area 4000 m2 Installation Approaches Fix up outdoor antenna reception on housetop and point to signal tower. Connect outdoor antenna to “outdoor” port in repeater machine through cable. Connect indoor antenna(s) to “indoor” port in repeater machine through cable also. Plug power adaptor into AC power socket and finish installation. Technique Supporting If still no signal receipt after activated repeater, please check if outdoor antenna point to signal tower or elsewhere have strong signal and check if strength achieve -70DBM. If cannot call out, please adjust the direction of outdoor antenna. If strength is not steady, please check if outdoor & indoor antennas are too close. Please ensure the outdoor and indoor antennas have distance of 20 AccessoriesSelection Outdoor antenna use 7 unit yagi type antenna, indoor antenna use board or rooftop antenna and signal wire use coaxial-cable. Packing listMain unit 1pcPower supply 1pcUser manual 1pc

item: Are cell phone jammers illegal in schools | phone jammers china aircraft 4.9 27 votes

Are cell phone jammers illegal in schools | phone jammers china aircraft

are cell phone jammers illegal in schools

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