Sell ☼☃♗Band 5 Mobile Phone LTE 4G 3G UMTS 850MHz Signal Booster B5 850 Amplifier with Power for Smart best price

Note: This item does not including any antennas, cable and accessories. LCD Display !!! mini 3G 4G 850MHz Mobile Phone Signal Booster (B5) + Power Adapter Selling Point ● Frequency Band: 3G UMTS 4G LTE 850MHz [Band 5] (Uplink: 824 --849MHz, Downlink: 869--894MHz) ● Improve: 3G 4G Voice + 3G 4G Internet (Smart) 【BETTER VOICE】Get fewer dropped calls, better voice quality, You could share you enjoy time via the good voice call and you don't worry about the call will dropped suddenly. ● Gain: 60dB. ● Max Output Power: 17dBm. ● Coverage area: Support Maximum coverage area is 200sqm. (without any barrier) One antenna cover about 50-100sqm. ● Function: LCD Display, ● Diemension: 130 x 100 x 20mm ● Warranty: 1 Year. Package Contents 1 x Signal Booster. 1 x Power Adapter 1 x Manual Note: 1). This model is not come with any accessories of cable , Heads , antennas and so on; Only has a power Adaptor. 2). Without the accessories ,this booster can't work ,if you need them, please to buy them extra. How to choose a signal booster? 1. The frequency of the booster needs to match for your mobile phone. 2. Mobile phone signal strength at outdoor need to achieve -95dbm. (3 bars signal at least) How to check the frequency band of mobile phone and outdoor signal strength? 1.Android Mobile Phone. A. Download App called "Network Cell Info Lite". B. Step: Settings→System→About Phone→Status→Network→SIM Status. 2. iPhone Mobile Phone. Dial: *3001#12345#* → Serving Cell Info → Freq Band Indicator