Specifications

cell phone signal amplifier gsm repeater 900
Coverage 2500 square meters for GSM900MHz mobile phone;
Frequency:GSM900MHZ

outdoor booster, umts gsm repeater 900MHz signal amplifier   

Cell phone signal amplifier (also named repeater or booster) is a product designed to solve the mobile phone signal blind or weak problem. Inside of some tall buildings, the basement of some places such as malls , restaurants , places of entertainment such as Karaoke OK, sauna and massage, subway stations and many other places where cell phone signals can not reach and can not use the phone. Cell phone signal amplifier can solve these problems. In a particular place as long as installing a mobile phone repeater, the mobile signal can be well boosted and the mobile phone can be well used. Making you keep in touch with others smoothly everywhere.  

Introduction

cell phone signal booster/repeater ST-990 Coverage 2500 square meters for GSM900MHz mobile phone

Down-link Frequency: 935MHz-960MHz
Up-link Gain: 50dB
Down-link Gain: 55dB
Spurious Emission of Out-band: <-40dBm
Impedance: 50ohm
Power Supply: DC 12V (AC100-240V power adapter provided)
Working Temperature: -10'C to +50'C
Humidity: 5-95%
Indoor Coverage: 250sq.m
Size: 200 x 140 x 40mm / 7.9 x 5.5 x 1.6in (L x W x H) ; 8000mm / 315in (Cable L)
Features:

This GSM signal booster adopts two ports full-duplex design
This GSM signal booster works for GSM networks operating at the GSM standard frequencies (up-link frequency: 890MHz-915 MHz; down-link frequency: 935MHz-960MHz)
This signal booster repeater provides the ultimate solution in any area where cellular communications can not work well due to leak of signals
Full duplex and double-end design, external power supply, and convenient installation
This GSM signal booster can help reduce drop calls and improve GSM voice communication quality
Using a large external antenna and an indoor repeater, this GSM signal booster boosts signals sent by both your phone and the cell tower
This signal booster repeater is particularly useful in zones with poor GSM coverage such as basements, car parks and tunnels
This GSM signal booster can also be used in offices, homes, supermarkets, cinemas and hotels etc.
No need to connect to your phone to improve reception
This mobile phone signal amplifier is featured by easy installation and operation and no interference
ALC technology with auto-steady function adopted
Details:

This signal booster repeater provides the ultimate solution in any area where cellular communications can not work well due to leak of signals
Compact design makes this GSM signal booster can last long time
Full-duplex, single-port design and LED Light Working & Signal Condition Indicators
 Indoor Omni-directional Antenna
Size in detail
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.
Please adjust the direction of outdoor antenna if it cannot call out
If strength is not steady, please check if outdoor and indoor antenna are too close. Please ensure the outdoor and indoor antenna have distance of 20 meters at least ,with a wall between and net a same horizontal line
NOTE:

The distance between the outdoor antenna and the amplifier is not more than 30 meters
The outdoor Antenna not close to a large antenna, high-voltage lines, transformers, or metal mesh, etc.
The distance between the indoor antenna and the amplifier is not more than 40 meters
The indoor antennas do not close to the wall as far as possible in order to increase the coverage area
The indoor antenna and the outdoor antenna are advised to stay away from each other for more than one floor distance to prevent cyclic signal amplification
If lack of communication quality, please change the installation position of the outdoor antenna and adjustment the indicate direction of antenna
It is best to enclose waterproof tape at the junction, and prevent moisture narrow the indoor signal coverage area

Package Included:

1 x GSM 900 MHz 50dB Signal Booster Repeater/Amplifier for Mobile Phone
1 x Outdoor Whip Antenna with 10 Meter Cable
1 x Indoor Omni-directional Antenna
1 x 100-240V AC Power Adapter for the Repeater Unit
1 x User Manual

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