Specifications
1,No noise2,No interference to the base station
3,No harm to the human body
4,Stable performance
5,Industrial design
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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 .