GOBOOST signal amplifier gsm 2g 3g 4g cdma 850 pcs 1900 lte 2600 booster cellular mobile phone internet 1700 1800 | Мобильные

GOBOOST signal amplifier gsm 2g 3g 4g cdma 850 pcs 1900 lte 2600 booster cellular mobile phone internet 1700 1800 | Мобильные

Frequency

GSM = 900mhz

Band5 = 850mhz

Band1 = 2100mhz

Band7 = 2600mhz

Band2 = 1900mhz

Band8 = EGSM 900mhz

Band3 = 1800mhz

Band20 = 800mhz

Band4 = 1700mhz

Band28 = 700mhz

Network(Usually)

Model Name

Band

Frequency

2G 3G 4G

GB21-GDW

GSM + band 3 + band 1

900+2100+1800mhz

2G 3G LTE (4G)

GB21-GDL

GSM + band 3 + band 7

900+1800+ 2600mhz

2G 3G LTE (4G)

GB21-GWL

GSM + band 1 + band 7 

900+2100+2600mhz

3G 4G LTE

GB21-DWL

Band3 + band 1 + band 7

1800+2100+2600mhz

10 Core Features

1. 70dB High gain. 

Supper Appearance With Metal Design

Effectively reduce clutter radiation and ensure stable output of host power.

Extraordinary board with intelligent code. It will according to the input signal strength to adjust itself.

Operating Temperature

 -10° to -55°    Cold and heat resistant, durable and tough

70dB High Gain

     Wide coverage with strong penetrating power. Cover 300~600 square meters without any barriers.

Daily Radiation Value Of Electronic Products

The lower the radiation value is, the better, the safer.

QUICK HEAT DISSIPATION

Make GOBOOST Booster More Duarabale Servicing To You.

PLAY GAMES WHILE CAILING

With 21dbi output power to make sure safety and stability.

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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 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.

Please find the location outside where you have the strongest signal on your phone. And make sure you can get at least 3 bars (stronger than -70dB) signal of outdoor. Parallelly installing the outdoor antenna on that location,towards to the base station or cell tower.

Use 10m cable to connect the outdoor antenna,then connect to the port on GOBOOST singal booster labeled “BTS”. Please ensure they were tightenned joints,connected well.

Connect the indoor antenna to the port on GOBOOST singal booster labeled “MS” or “Mobile”.

After finished all parts then check weather all connectors well,then can turn on the power.

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.

1. We could accept all the payment way accepted by AliExpress.

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.

If you are satisfied with our service and product, we would be very appreciated that you put us five star and positive review. You could also recommend it to people who needs it. We would present coupon as little gift to you for thanks.