· March Expo 2021 selection
Min. Order : 1 Piece
10-99 Pieces
≥100 Pieces

GOBOOST 850 900 2100 Tri-band CDMA/GSM/WCDMA 2g/3g/4g high quality mobile signal booster/repeater/amplifier

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Quick Details

Port: Foshan
Payment Terms: Western Union,T/T,Paypal
Supply Ability: 5000 Case/Cases per Month
Brand Name: Goboost
Place of Origin: Guangdong China
Packing size (D*W*H ): 314*210*55(mm)
Output Power: 21dBm
Product name: GB21-CGW
Size: 230*181*23mm
Bandwidth: 25M/75M/60M
Frequency: UpL:824~894/890~915/1920~1980 DL:869~894/935~960/2110~2170mhz
Coverage: about 300-600sqm
Model Number: GB21-CGW
Impedance: 50 ohm
Net Weight: < 1.2Kg
Gain: 70dB
Packaging Detail: carton or customize
Shenzhen Goboost Communication Technology Co., Ltd.
Gold Supplier
Response Time
On-time delivery rate
US$ 90,000+
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Products Description
Parameter Data

Frequency Range

824-849 mhz
869-894 Mhz
890-915 mhz
935-960 Mhz
1920-1980 mhz
2110-2170 Mhz
Output Power
15 ±2dBm
21 ±2dBm
65 ±2dB
70 ±2dB
Dimensions (D*W*H)
Net Weight
< 1.2Kg
Operating Temperature
Installation Instructions
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.
Company Profile
After - Sales Service                                                                           
We have 12 months quality guarantee for all customers, you can return goods to us when receive defective repeater, but air freight charges should be responsible by buyer.
 Signal problem & installation technique supporting 
1.If still weak signal receipt after installation, please check if outdoor antenna point to signal tower correctly or elsewhere has stronger signal and confirm signal strength achieve-70DBM. 2.If still have no signal after installation, please check our device power adapter whether connected perfectly? And connectors connect well. 3. If strength is not steady, please check if outdoor and indoor antenna is too close; please ensure outdoor antenna has distance of 10 meters at least, with a barrier and not in a same horizontal line. 4. Packed the outdoor connector by waterproof glue, otherwise wet reduce the signal cover area.
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