Car Use!! B20 800 900 1800 2100mhz Four-Band Cell Phone Cellular Amplifier GSM Repeater 2G 3G 4G Signal Booster DCS WCDMA LTE | Мобильные

Car Use!! B20 800 900 1800 2100mhz Four-Band Cell Phone Cellular Amplifier GSM Repeater 2G 3G 4G Signal Booster DCS WCDMA LTE | Мобильные

Car Use !! B20 800 900 1800 2100 Mhz Cell Phone Booster Four- Band Mobile Signal Amplifier 2G 3G 4G LTE Cellular Repeater GSM DCS WCDMA Set

This signal repeater has been upgrade. Circuit board and power plug are improved. Most problems has been solved. It is better quality and longer life.

Russia B20 LTE800 900 1800 2100mhz Cell Phone Booster Four Band Mobile Signal Amplifier 2G 3G 4G LTE Cellular Repeater LTE GSM DCS WCDMA Set

This booster works for Band20)800mhz/ Band8)900mhz/Band3)1800mhz/Band1)2100mhz Signal.Only Frequency is match,The Booster can work. Please check which band your cell phone is using firstly by the methods below:

The booster can only amplify signal, it can't create signal. If there is no outside signal, the booster will not work for you. Please make sure you can make calls successfully outside your car. For iPhone: Dial *3001#12345#*, then press Call button Click 'Serving Cell Info' Check 'Freq Band Indicator'; For Android phone(XiaoMi Phone and HuaWei Phone): Download and install the app: LTE Discovery, tap ‘SIGNALS' and check band number.

Band20)800mhz+Band8)900mhz+Band3)1800mhz+Band1)2100mhz Cellular Amplifier Selling point！！

❶.Frequency Band ： Frequency Rang(Band20 LTE800MHZ):UL: UL:832~862mhz;DL:791~821mhz; Frequency Range(GSM900): UL:890~915mhz;DL:935~960mhz; Frequency Range(DCS1800): UL:1710~1785mhz;DL:1805~1880mhz; Frequency Range(WCDMA 2100): UL:1920~1980mhz;DL:2110~2170mhz; ❷.Boost: 2G 3G Voice+4G Network 【BETTER VOICE AND DATA】Get fewer dropped calls, better voice quality, faster uploads and downloads. You could share you enjoy time the via good voice call and you don't worry about the call will dropped suddenly. ❸.Gain:70dB. Coverage:300 Square Meters ❹. ALC(Automatic Level Control): Automatically adjust the output gain down to optimal figure while the output gain is above the optimal figure by the ALC circuit, this can greatly optimize the calling and data transfer quality. . ❺.Suitable For: Russia, Spain, France, Brazil, Europe, Asia, etc. ❻.Warranty: 1 Year!

What is in packaging:

1.B20 800 900 1800 2100mhz Four-Band Signal Booster 2.2G 3G 4G outdoor signal antenna with 10 Meter Cable 3.indoor signal antenna 4.Car Charger :5V-12V ,3A 5.English manual

Where to be Use?

4G Antenna Sucker Antenna with 10Meter Cable for 2g 3g 4g Signal Booster Repeater and 4g Antennas

5dBi 4G 3G 2G LTE WCDMA GSM 800 900 1800 2100 2600 mhz Antenna GSM Ceiling Antenna for Mobile Signal Booster Repeater or Amplifier

Car Charger for Repeater GSM 2G 3G 4G Signal Booster

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