GSM Repeater 2G 3G 4G 900 1800 2100 2600 LTE Cellular Signal Amplifier 4G Cellular Amplifie Mobile DCS Signal Booster Repeater
294.98 191.73 $
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Every $100 off $4 discount code: GOBOOST2023
2-in-1 dual-frequency signal amplifier, with the same price and better function!
Our products support 15 day free returns and full refunds.
Frequency | |
It's highly recommend you to test the frequency yourself.
1. This model workGB17 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 68dB.
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.
Accurate display of outdoor signal strength, voltage conditions to make the data more accurate and more convenitent.
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 recieve full signal. Maybe self-oscillation. If the signal of your mobile phone is strengthened, that's perfect. If isn't, that means it'sself-oscillation.
PS: If you have any other confused when you using it, please contact customer servive at once.
Provide quick coverage solution for signal weak and block zones.
Up to 200-600sqm without barrier.
Saygoodbye to dropped calls and slow data connection. Suitable for all types of houses,such as living,loft,willa and so on.
Upgrade the board, high-quality amplifier tube, precise frequency, clear call quality, faster internet access.
Save space.Easy to install and decorate your home.
The metal case design make it sturdy and durable. Bump heat dissipation design for better heat dissipation.
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.
Package List
With the difference frequency of the booster, antenna need to be match so that it can work.
There are two outdoor antennas for this link to choose from;
Choose the first Antenna: Yagi antenna: (9 units, 5 units, 8 units);
Choose the Second Antenna: 360 Omni antenna
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 singal booster.Please ensure they were tightenned joints,connected well. Step3:Connect the indoor antenna and the singal 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.
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.
QUESTIONS | ANSWERS |
signal bar of the screen flash or show blank | 1.The frequency of signal repeater and phone should be match. 2.Choose corresponding network mode to test. 3.Make sure oudoor signal more than 3 bars. Adjust the outdoor antenna and point it to base station. |
Signal bars are full bars,but can not make phone calls | 1.Increase the distance between two antennas,preferably more than 15 meters. 2.No open windows or doors,otherwise will cause signal interference. 3.If the solutions above not work,please try putting repeater & indoor antenna into a room. |
Work for a while, but suddenly stop working | 1.Check if water in the interface of ourdoor antenna and cable. 2.Check if power supply works normally;Please test the power supply of the same voltage and current. |
Common Problems(FAQ)
Question: no signal on the display and phone?
Solution: adjust outdoor antenna, put it at a higher postion and make sure it could receive good signal from base station.Or please check the freqeuncy 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 antennna as above, because blinking means receiving signal is not stable. Adjust the position and direction of outdoor antenna until it stop working.
Queation: 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 separae 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.
Any other problems about the product or installation, please contact us.
Thank you!
1. We could accept all the payment way accepted by Cntronic.
2.What you pay is for the product and shipping cost only, not including any tax. Please be aware of that whether need to pay tax or not, depends on the policy of your country, we certainly could not change it. If you could not accpt it, we do not suggest you to place order.
1. All the available ways are indicated at the page of product. We would send out the order as per your choice.
2.The parcel would be sent to the exact address that you fill in the order. In order to make you receive the parcel promptly and safely, please provide right contact info.
3.If you do not receive the parcel within the protection time, please contact us at the first time, we would check it for you or extend the protection time.
1. Please note that we always check and test the product twice before shipping and pack them well as far as possible. However we could not control anything during the long transit. Therefor, the product is broken at receiving, please contact us, we would resend you a new one.
2.Our product have one year warranty. But please be cooperative to provide video or pictures to show exact the problem, and listen our suggestions for the installation.
3.Any problem about the parcel or the prodcut, please feel free to contact us at the first time, we would be very glad to help and reply ASAP.
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Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.
Yes. We provide free shipping to over 200 countries around the world. However, there are some location we are unable to ship to. If you happen to be located in one of those countries we will contact you.
We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.
Shipping time varies by location. These are our estimates:
Location | *Estimated Shipping Time |
---|---|
United States | 10-30 Business days |
Canada, Europe | 10-30 Business days |
Australia, New Zealand | 10-30 Business days |
Central & South America | 15-30 Business days |
Yes, you will receive an email once your order ships that contains your tracking information.
For some shipping companies, it takes 2-5 business days for the tracking information to update on the system.
For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.
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If you do not want the product you’ve receive you may request a refund but you must return the item at your expense and the item must be unused.
*You can submit refund requests within 15 days after the guaranteed period for delivery (60 days) has expired. You can do it by sending a message on Contact Us page
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