LTE 4G DCS 1800MHZ Cellular Signal Amplifier LCD Display Mobile Phone Signal Booster Repeater Yagi+Whip Antenna Coaxial Cable
4G LTE DCS 1800mhz Mobile phone Booster GSM 1800 Signal Repeater Cellular Cell phone Amplifier 4G Network 65dB Gain LCD Display
NEW UPGRADE VERSION
UPGRADED of the board,LCD display,code, and even the appearance,also its gain 65dbm.
It’s mini size design and powerful.
If you want to coverage a range of more than 100sqm, it’s highly recommend you to choose this model GB17.
Single band signal booster, four frequencies to choose.
Please check the frequency of your operator before placing order.
FREQUENCY DO NOT MATCH, IT CAN NOT WORK.
Please leave a message about which plug you need when place order.
If no message left in the order, we would send the plug in accordance with our experience.
Generally,
1. CDMA 850MHZ (band5) improve 2G or 3G
2.GSM 900MHZ(GSM) improve 2G
3.DCS 1800MHZ (band3) improve LTE 4G/2G
4.UMTS/WCDMA 2100MHZ (band1) improve 3G
4G Signal Booster GSM 2G 3G 900 1800 2100 Repeater WCDMA Tri Band Lintratek kw20c gdw Cellular data LTE Cell phone Amplifier
Lintratek 70dB dual band 3G 4G 1800 2100mhz repeater 900 1800 GSM 2G 4G LTE cellular signal booster 2100mhz 3G amplifier ALC
Lintratek AGC 70dB 2G 3G 4G Signal Booster 900 1800 2100MHz Dual Band Cell Phone Repeater GSM 3G 4G Ampli GSM UMTS LTE KW23C
Selling Point
1. This model GB17 have many frequency to choose, please test it first and choose the right frequency.It is Suitable for Russia, Spain, France, Brazil, Europe, etc.
2. High gain 65dB.
3. Wide coverage. Cover 200~600 square meters without any barrier.
4.Mini Size but powerful
5.LCD display, indicate signal strength by yourself.
6.Upgrade board. Good filtering,precise frequency.
7.Low radiation. Make you safe.
8.Easy to install. Wall-mounted,more convenience and help you to decorate your home.
9.The metal case design is sturdy and durable. Bump heat dissipation design for better heat dissipation.
10.Supporting multiple phone users.
Mini Size But Powerful
LCD Display
Accurate display of outdoor signal strength, voltage conditions to make the data more accurate and more convenient.
LCD Display tells you the signal status.
Situation A: If the empty signal box flashes, it proves that the signal wasn’t received successfully.
Situation B: If the signal shows a value of 80, it means that 80% of the signal is received.
Situation C: If the signal shows a value of 100, it means that 100% of the signal is received.
Situation D: If the signal grid is filled, it means that the device receive full signal. Maybe self-oscillation. If the signal of your mobile phone is strengthened, that’s perfect. If isn’t, that means it’s self-oscillation.
PS: If you have any other confused when you using it, please contact customer service at once.
Larger Coverage Range
Provide quick coverage solution for signal weak and block zones.
Up to 200-600sqm without barrier.
Say Goodbye to dropped calls and slow data connection. Suitable for all types of houses,such as living,loft,willa and so on.
Before And After Comparison
Wall-Mounted Design
Save space.Easy to install and decorate your home.
Upgrade Code
Upgrade the board, high-quality amplifier tube, precise frequency, clear call quality, faster internet access.
Metal case & Thermal design
The metal case design make it sturdy and durable. Bump heat dissipation design for better heat dissipation.
Where To Use
Beautiful Appearance: New style, big screen, unique design, is not only a cell phone signal booster but also an artwork. It can be used for apartment, hotel, office, basement of buildings, coffee shop and shopping mall etc.
What’s In Box
Easy To Install
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Step1:Search a position where can receive good signal(stronger than -70dB)Parallelly installing the outdoor antenna on that location,towards to the base station or cell tower.
Step2: Use 10m cable to connect the outdoor antenna and signal booster.Please ensure they were tightened joints,connected well. Step3:Connect the indoor antenna and the signal booster.
Step4:After finished all parts then check weather all connectors well,then can turn on the power.
Two antennas need to separate by brick wall. The distance between them at least 10 meters.
Working Principle
1. RECEIVES SIGNAL
The powerful antenna reaches out to access a good signal, and delivers it to the booster.
2. BOOSTS SIGNAL
The booster receives the signal, amplifies it, and serves as a relay between your phone and the nearest cell tower.
3. BROADCASTS SIGNAL
Your devices get increased cell reception, and calls and data are fed through the booster back to the network.

Band Story
Common Problems
Question: no signal on the display and phone
Solution: adjust outdoor antenna, put it at a higher position and make sure it could receive good signal from base station.Or please check the frequency of your antenna, if you buy only booster from us. If the frequency doesn’t match to the booster’s, it could not work either.
Question: the display is blinking and signal light isn’t on.
Solution: Also adjust outdoor antenna as above, because blinking means receiving signal is not stable. Adjust the position and direction of outdoor antenna until it stop working.
Question: the signal is at maximum on booster but the signal on the phone does not improve at all
Solution: It is what we called “self-oscillation phenomenon”. You need to increase the distance of indoor antenna and outdoor antenna and separate them with a brick wall. Make sure there is no opening area between them.
Question: The booster works properly but the signal light is not on
Solution: Maybe the cable is too long for the booster or the connection is not well. Please make sure all the antenna are connected well and tightly. It actually does n’t matter too much as long as the device works well.