How gsm repeater works? cell phone signal booster supplier 900MHz for 2000m2 KH980 Repeater

How gsm repeater works? cell phone signal booster supplier 900MHz for 2000m2 KH980 Repeater  

Frequency range Uplink  890-915MHZ
Downlink 935-960MHz 
Gain ( dB) Uplink 60/±5dB
 Downlink  70/±5dB
Power (Po)  -70dBm~-40dBm / FA(1.23MHz)
Max Output power Uplink 23dBm/±3dBm total power
 Downlink  27dBm/±3dBm total power
I/O impedance 50Ω
Seclusion >65dB
Power supply AC110~220V (use AC/DC adaptor 12VDC)
Size 160 x 100 x 23 mm
Compact design Indoor use

Features of KH-970 GSM 900MHz mobile phone signal Booster Repeater Amplifier:
1, High gain, easy installation and operation.
2, Full-duplex, single-port design, build-in power supply.
3, Use ALC technology, adjust extent automatically
4, LED Light Working & Signal Condition Indicators
5, Big linear power, control intermodulation & scatteration stably
6, Dependability stand by GB6993-86 standard
7, Compatibility of electromagnetism according with ETS300 609-4
8, CE and RoHs Approved
 
Installation Approaches
1.      Fix up outdoor antenna reception on housetop and point to signal tower.
2.      Connect outdoor antenna to “outdoor” port in repeater machine through cable.
3.      Connect indoor antenna(s) to “indoor” port in repeater machine through cable also.
4.      Plug power adaptor into AC power socket and finish installation.

Kaw Electronics Co., Ltd
Contact person: Joan Liu(sales representative)
TEL: 86-755-86640950
 Email:booster@kawelec.com
Web:
Add: HaiDe Mansion, Nanxin Road, Nanshan District, Shenzhen, China.518052