Sell 【New】GSM LTE WCDMA Band1 Band3 Band8 900 1800 2100 2G 3G 4G LED Display Cell Phone Signal Boosters Professional Mobile best price

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. (2 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 Feature: 1. cover: 200-500 square meters without obstacles 2. improve Gsm 900 Lte 1800 and Wcdma 2100 at the same time 3. led light indicates the state of the signal. 4. if can meet 900 1800 2100 frequency band , it can support different oprators. 5. easy to install. This signal amplifier kit includes everything you need. Specification: 1. Gain: 70dB (DL); 65dB (UL) 2. power output: 17dBm 3. GSM: up to link 890-915 mhz; down link 935-960 mhz DCS: up to 1710-1785 mhz; down link 1805-1880 mhz WCDMA: up to 1920-1980 mhz link; down link 2110-2170 mhz packaging: 1.Signal Booster 2.outdoor signal antenna 3.indoor signal antenna 4.15m 70-5Cable 5.manual installation steps: 1. Fix the reception of the roof outdoor antenna or the high place and the turn signal point. 2. Connect the external antenna to repeater machine '' BTS '' port via cable. 3. Connect indoor antenna to repeater '' MOBILE '' port. 4. AC plug power cord into the power source and finished. 5. TIP: An outdoor antenna should be \isolated\ from the internal antenna, that is, it must be constructive obstacles (walls, partitions, etc.) between the antennas. Note:when outdoor antenna and indoor antenna are separated not enough, then it will be self-oscillation. your phone will not get any signal.