Specifications

1,No noise
2,No interference to the base station
3,No harm to the human body
4,Stable performance
5,Industrial design

Dear friend:we have varies item for the gsm amplifier,different item with different function,before making the order,pls talk to me firstly,i will recommand u the best one with the best price which to meet  your requirements.Pls contact me directly via TM or as the following ways:

 

Hot selling mobile phone signal repeater in amplifiers:

 

Cell phone signal amplifier is a products designed to solve the mobile phone  blind signal. As the mobile phone signal is transmitted by electromagnetic waves to establish a communications link, the building of the barrier, in some tall buildings inside, the basement of some places such as malls, restaurants, places of entertainment such as karaoke OK sauna and massage, underground civil air defense projects, 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 the installation of a mobile phone signal amplifier system, the entire range of mobile phone signals can be well used, staff or customers will get great convenience .

 

Specifications of mobile phone signal amplifer GSM ST-900A

 

The Basic Parameter:

Working system	GSM900
Frequency range	GSM  Up link,890~915MHz   Downlink,935~960MHz
Gain	Up link≥50dBm     Downlink55dBm
Output up	Up link,10dB  Downlink,15Bm
Pass band ripple	≤1.8DB
I/O impedence	50Ω/N connector
Noise figure	≤6dB
Transmission delay	≤0.5μs
Ambient temperature	-15°C~55°C
Power supply	AC/220V±10%   45~55Hz    DC,12V
Size	134mm×105mm×28mm
Reliability	To the GB6993-86 standard
Electromagnetic compatibility	To the ETS300 694-4 standard
Function	a)  Power supply LED denote   b)   Export power ELD denote
Coverage area	100Sqm

 

 

Application place of mobile phone signal amplifier GSM ST-900A

 

Small regions signal blind or weak signal area, such as underground or semi-underground place of business ,basements ,underground parking ,etc.

 

small-scale hot-spot signal Complaints areas ,such as conference rooms ,a small supermarket,small shopping malls ,the office and small public areas ,etc.

 

Traffic and  large social influence areas ,such as bars ,cafes ,dance halls ,cafes ,fitness clubs ,leisure and entertainment,etc.

 

 Elevator ,lift wells in particular ,not in the lift cables laid

 

Home ,office ,luxury yachts ,private cars ,public security system and road safety management ,etc.

 

 

 

 

 

Features of mobile phone signal amplifer ST-900A

 

A High-gain linear power amplifier

 

B ALC technology .

 

C Ultra-low noise receive amplifier

 

D There is no interference to the base station , after the opening the original system and the base station without the need to adjust parameters ,

 

E,Stable and reliable electromagnetic compatibility design .

 

F The base station dose not cause an increase in background noise ,but will not lead to a decline in the quality of the base station communications

 

G With full-duplex communication mode .

 

H dispel the heat effectively , structure is esthetic , volume is suitable .