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

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Address: 3F./4F., Zhenyingtai Technology Park, Hebei Industry Zone, Longhua New District, Shenzhen 518109, China

Contact name:Amy Cheah

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

City & Province	shenzhen hebei

Product Details

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
Communication
Quality

3. Reduce
Cellphone
Radiation

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

Technique

Frequency range	Uplink 890-915MHZ Downlink 935-960MHZ
Gain ( dB)	Uplink Gp≥70
	Downlink Gp≥75
Pass band ripple	≤5dB
Guard band rejection	(BW-60dB)≤42MHz , (BW-70dB)≤45MHz
I/O impedance	50Ω/N connector
I/O return loss	≤-3B
Export power (Po)	≥33dBm
Intermodulation Attenuation(Po=33dBm)	≤-40dBc
Transmission Delay	≤0.5μs
Ambient temperature	-10℃～60℃
Power supply	AC110～240V 45～55Hz
Size	240 x 175 x 45 mm
coverage area	5000 m2

Specification sInstallation Sketch Map

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 adaptor into AC power socket and finish installation.

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.
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

Accessories
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