Sell OSERJEP Tri Band 2G 3G 4G LTE Mobile Phone amplifier repeater Band 1/3/8/7 GSM 900mhz 1800 WCDMA/UMTS 2100MHz 2600 Antenna best price

Note: If you don’t know how to choose the specifications, please contact me and I will recommend the amplifier suitable for your use! 1: The mobile phone frequency and the amplifier frequency must be the same, otherwise it cannot be used 2: Outdoor signal must be better than indoor signal by more than 2-3bar 3: The outdoor antenna must be aligned with the base station, and there should be no other antennas next to the place where the outdoor antenna is installed (otherwise interference will occur), and the outdoor antenna must be installed in the place with the best outdoor signal 4: Indoor and outdoor antennas must be separated by more than 10 meters Dear everyone, please read the following first: The model works in 900 1800 2100 2600 MHz frequency band. When the frequencies match, it can work. Usually works in 4g networks. Please confirm the 4g frequency with the SIM card service before purchasing. Thank you! Working principle: The signal repeater only improves the indoor signal through the good outdoor signal. Note: If the frequency is not matched, the signal booster cannot work. How to choose the right signal booster? First of all: Before buying, please make sure to get an outdoor signal of at least 3 bar (place an outdoor antenna), otherwise the product will not help. A good outdoor signal is needed to improve the indoor signal. Second: There are some ways to check the frequency: (the frequency does not match, the signal booster cannot work.) There are some ways to check the frequency: -Android phone Downlaod application is called ( Network Cell Info Lite ) ``The app will inform the number of LTE bands [display band 1/3/8] -iPhone Dial * 3001#12345#* Doraemon Service Information Check the frequency band indicator, the number is the LTE band Band1 = 2100MHZ = choose 2100MHz repeater Band2 = 1900MHZ = choose 1900MHz repeater Band3 = 1800MHZ = choose 1800MHz repeater Band4 = 1700MHZ = choose 1700MHz repeater Band5 = 850MHZ = choose 850MHz repeater Band7 = 2600MHZ = choose 2600MHz repeater Band8 = 900MHZ = choose 900MHz repeater Brand Name:OSERJEP Model Number: KW20C-GDW Uplink: 890-915mhz/1710-1785/1920-1980mhz Downlink: 935-960mhz/1805-1880/2110-2170mhz Suitable for: GSM+WCDMA+DCS (900mhz &1800 & 2100mhz) tri band repeater: tri band amplifier Feature: LCD Display Cover Area: 1800 Square Meters Output Power: 20dBm Warranty: 1 Year GSM 2G 3G 4G : GSM Repetidor 2G 3G 4G gsm repeater: Band 3 1800mhz dcs signal repeater: Band 1 2100 3G WCDMA 3g 4g Antenna: 900 1800 2100 Band 3 LTE 1800mhz: band 3 booster Band 1 WCDMA 2100mhz: band 1 booster 2100 mhz booster: dcs 1800 booster 900mhz signal : 3 g repeater repeater 1800: repeatnet gsm 4g 4g signal booster: repeater 4g