ขาย R* 1 Set 850MHz GSM 2G/3G/4G Signal Booster Repeater Amplifier Antenna for Cell Phone Signal Receiver a5Ub ราคาที่ดีที่สุด

#1 #Set #850MHz # #GSM #2G/3G/4G #Signal #Booster #Repeater #Amplifier #Antenna #for #Cell #Phone #Signal 1 Set 850MHz GSM 2G/3G/4G Signal Booster Repeater Amplifier Antenna for Cell Phone Signal Receiver 1 Set 850MHz GSM 2G / 3G / 4G Signal Booster Repeater Amplifier Antenna for Cell Phone Signal Receiver Description: 100% brand new, high quality Features: 1.Support Maximum coverage area is 200 square meters. (Depend on the area condition) 2. One indoor antenna only use for about 30-100 square meters in open space. (The indoor and outdoor antenna quality depends on the indoor signal coverage area.) 3.If want to make all use of 200 square meters which the host supports, Need to add more indoor antennas and power divider / splitter. Application Scope: A, Small regions of signal or weak signal blind area, such as underground or semi-underground place of business, basements, underground parking, etc .; B, Complaints from small-scale hot-signal areas, such as conference rooms, a small supermarket, small shopping malls, the office and small public areas, etc .; C, Traffic and social influence of large areas, such as bars, cafes, dance halls, cafes, fitness clubs, leisure and entertainment, etc .; D, Elevator, lift wells in particular, not in the lift cables laid; E, Home, office, luxury yachts, private cars, public security system and road safety management, etc. Specifications: Voltage: 110-220V AC or DC5V 1A Frequency: 850MHz Seclusion: 65db Ambient temperature: -10C-50C Configuration: 5V / 1A prower Impedance: 50 Ohm Working frequency: 850MHz Gain: 60 ± 2dB Output power: 18dBm Power: DC5V / 1A Current: 250mA In-band fluctuation: 3dB Stray radiation: -36dBm Delay: ≥5usec Third-order intermodulation: 9K-1GHz≤-36 / 1G-12.75GHz≤-30 Standing wave: ≤1.5dB Connector type: N-K Noise coefficient: ≤5dB Impedance: 50Ω Working temperature: -10 ℃ -60 ℃ Product size: 140x100x20mm Steps that describe the work of Repeater: 1) The outside antenna receives the signal from the nearest mobile base station. 2) The outside antenna sends the received signal through the coax cable to The installed Repeater. 3) The Repeater accepts the low signal and improves it. 4) The improved signal goes to the inside antenna through the connection coax cable. 5) The inside antenna send the improved good signal to your mobile phone. Installation Approaches: 1) Fix up outdoor antenna reception on housetop Or outside the window and point it to the signal tower. 2) Connect outdoor antenna to port in repeater machine through cable. 3) Connect indoor antenna (s) to MOBILE port in repeater machine through cable also. 4) Plug power adaptor into AC power socket and finish installation. Package including: 1x 850MHz booster 1x Charger 1x indoor antenna N male 1x outdoor antenna N male with 10M cable 1x user manual (other accessories demo in the picture is not included.)