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Item specifics
  • Model Number: 3W-GSM990
  • Booster: GSM repeater
  • SKU: 0404SH100087
  • Booster repeater: Signal Amplifier
  • Signal Amplifier: call phone amplifier
  • ues phone antenna amplifier: distribution amplifier
  • GSM repeater: GSM amplifier
  • gsm repeater: signal booster
  • gsm booster: repeater booster
  • Repeater: Signal Amplifier
Product Description

3W(35dBm) GSM 900Mhz Amplifier Gain 85dBi GSM Cell Phone Booster Signal Repeater 


cellphone signal booster is suitable for home,office,park,mountainous regions and other public places without signal or weak signal.




cellphone signal booster is made with supered technology, with all-metal cover, you can use the device without worrying about the process of heat and impact performance, because of the superior heat dissipation function; It can adequately protect the health of you and your family, because of the superior shielding function.





Frequency: Uplink 890-915MHz     

                   Downlink   935-960MHz   


Power: -70  -  -40 dBm/FA(1.23MHz)


Gain: Uplink  65+/-5dB    Downlink    70dB+/-10dB


Max Output Power: Uplink     30dBm/+/-3dBm Total power   

                                Downlink   33dBm/+/-3dBm Total power


Impedance: 50Ω


Seclusion: 65dB


Power supply: AC 110/220V(used AC/DC Adapter 12Vdc)


Compact Design: Indoor Use


Item Demension: 245 x 170 x 50 mm









product real shot










Installation Approaches 

Fix up outdoor antenna reception on housetop and point to signal tower.

Connect outdoor antenna to “outdoor” port in repeater machine through cable.

Connect indoor antenna(s) to “indoor” port in repeater machine through cable also.

Plug power adapter into AC power socket and finish installation.


Note: you can order a separate indoor antenna or outdoor antenna to strengthen the signal.


Technique Supporting

If still no signal receipt after activated repeater, please check if outdoor antenna point to signal tower or elsewhere have strong signal and check if strength achieve -70DBM.

If can not call out, please adjust the direction of outdoor antenna.


Applications :
The amplifier small, practical, mainly for small customers, family, hotel, hotels, basements, car parks, offices and other occasions. Signal strength, simple to install mobile phone signal amplifier is the most prominent feature of the various properties of this amplifier repeater close to large professional standards, a variety of indicators and technical indicators are considered expansion of the international advanced level, in considering the ultra-high performance while also consider the low price.


Package included


1x GSM 990 booster


1x 110-240v charger


1x user Manual


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Packaging Details
  • Unit Type: piece
  • Package Weight: 3.0kg (6.61lb.)
  • Package Size: 30cm x 18cm x 10cm (11.81in x 7.09in x 3.94in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 3.0kg (6.61lb.)
  • Package Size: 30cm x 18cm x 10cm (11.81in x 7.09in x 3.94in)
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