fast shipping and no problems
    Equipment of good quality, very responsible seller and fast delivery. I recommend to all Alibaba community / AliExpress. I will definitely buy more units.
    Best seller,good transaction and fast delivery time
Contact Person : Amy Cheah
Phone Number : +86 134 1856 8064
WhatsApp : +8613418568064

Mobile Phone GSM Signal Booster / Repeater / Amplifier EST-GSM990 for Home

Place of Origin China
Brand Name EST
Certification CE&ROHS
Model Number EST-GSM990
Minimum Order Quantity 1PC
Packaging Details neutral packing
Delivery Time 1-3 working days
Payment Terms 100% before shipment
Supply Ability 500pcs/week

Contact me for free samples and coupons.

WhatsApp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
Product Name GSM Signal Booster Frequency Range Uplink:890—915MHZ Downlink 935-960MHz
Export Power (Po) ≥23dBm Pass Band Ripple ≤5dB
Size 240 X 175 X 45 Mm Power Supply AC110~240V 45~55Hz
Coverage Area 5000 M2
High Light

mobile phone signal repeater


Cell Phone Signal Amplifier

Leave a Message
Product Description


Mobile Phone GSM Signal Booster / Repeater / Amplifier EST-GSM990 for Home



A mobile phone signal repeater provides the ultimate solution in any area where cellular communications can not work well due to leak of signals.  The repeater device features easy installation & operation, build-in indoor antenna and no interference.  It could also improve indoor electromagnetism environments, protract cellular battery life and reduce radiation of cellphones.  A mobile phone repeater is ideal for house, home, office use.


Introduction To Mobile Phone Signal Repeater 

1. Enhance Mobile Phone 
Signal Strength

2. Improve 

3. Reduce

4. Protract 
Cellular Battery Life

5. Economic Building Cost

        6. Easy Operation

        7. Easy Installation

        8. Build-in Power Supply

The device featured by easy installation & operation and no interference. It is the ideal device for boost mobile phone signal.  A mobile phone repeater could also improve indoor ctromagnetism environments, protract cellular battery life and reduce radiation of cellphones.


2. Features

High gain,  easy installation and operation.

Full-duplex,  single-port design,  build-in power supply.

Use ALC technology,  adjust extent automatically

LED Light Working & Signal Condition Indicators

Big linear power,  control intermodulation & scatteration stably

Dependability stand by GB6993-86 standard

Compatibility of electromagnetism according with ETS300 609-4

CE and RoHs Approved




Frequency range

Uplink  890-915MHZ

Downlink  935-960MHZ

Gain ( dB)

Uplink  Gp≥70


Downlink   Gp≥75

Pass band ripple


Guard band rejection

(BW-60dB)≤42MHz , (BW-70dB)≤45MHz

I/O impedance

50Ω/N connector

I/O return loss


Export power (Po)





Transmission Delay


Ambient temperature


Power supply

AC110~240V   45~55Hz


240 x 175 x 45 mm

coverage  area

5000 m2



Specification sInstallation Sketch Map



Mobile Phone GSM Signal Booster / Repeater / Amplifier EST-GSM990 for Home 0

Installation Approaches


  1. Fix up outdoor antenna reception on housetop and point to signal tower.
  2. Connect outdoor antenna to “outdoor” port in repeater machine through cable.
  3. Connect indoor antenna(s) to “indoor” port in repeater machine through cable also.
  4. Plug power adaptor into AC power socket and finish installation.

Technique Supporting

  1. 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.
  2. If can not call out, please adjust the direction of outdoor antenna.
  3. If strength is not steady, please check if outdoor & indoor antennas are too close.  Please ensure the outdoor and indoor antenna have distance of 20 

SelectionOutdoor antenna use 7 unit yagi type antenna, indoor antenna use board or rooftop antenna and signal wire use coaxial-cable.

Packing list
Main unit            1pc
Power supply     1pc
User manual      1pc