Dual band signal repeater for 2G&3G ST-1090A

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Dual band signal repeater for GSM 900Mhz and DCS 1800MHz A High-gain linear power amplifier B ALC technology . Dual band signal repeater for GSM 900Mhz and DCS 1800MHz Cell phone signal amplifier is designed to solve the blind signal designed for mobile phone products. 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, 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, to which staff or customers great convenience . Working system GSM&DCS 900&1800mhz frequency channel A B Up link Down link Up link Down link Frequency range 824-849MHz 869-894MHz 1850-1910MHz 1930-1990MHz Gain 55/60/65dB 60/65/70dB 55/60/65dB 60/65/70dB Export power 10±2dBm 10±2dBm 10±2dBm 10±2dBm ALC 10±2dBm 10±2dBm 10±2dBm 10±2dBm ALC range 20 dB Pass band ripple ≤2.0 dB I/O impedence 50Ω/N connector Noise figure ≤10dB Transmission delay ≤0.5μs Ambient temperature -15°C~55°C Power supply AC:110-240V Size 198mm×148mm×39mm 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 1000Sqm

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Shenzhen Sai Tong Tian Electronic CO.,LTD

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