Specification :
Products instruction
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-990
Working system GSM
Frequency range Up link:890¡«915MHz Downlink: 935¡«960MHz
Gain uplink: 73dB Downlink: 66 dB
Export power uplink: 33¬¬¬dBm; Downlink: 26dBm
Pass bank ripple ¡Ã1.8DB
I/O impedence 50¦¸/N connector
Noise figure ¡Ã6dB
Transmission delay ¡Ã0.5¦Ãs
Ambient temperature -15¡æ¡«55¡æ
Power supply AC/220V¡Ã10% 45¡«55Hz
Size 305mm¡Ã220mm¡Ã67mm
Reliability To the GB6993-86 standard
EMC To the ETS300 694-4 standard
Function a) Power supply LED denote b) Export power ELD denote
Coverage area 2500Sqm
Company Name : Sai Tong Tian technology Company ltd .
Contact person :Yolanda
Tel :86(0)15018537034
Email:yolanda789789@hotmail.com
ADD:buliding 105,Room 502,Liantang industry Luohu district ,Shenzhen city
