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Gsm900 Mini Repeater Provides Solution To Solve Indoor Signal Coverage Problems In Telecommunition
Posted at: TradersCity --> Offers to Sell and Export
Posted on: Fri 15 Aug, 2008 4:06 am
The GSM900 Mini Repeater provides an affordable solution to solve the indoor signal coverage problems in telecommunication field due to signal fading and attenuation caused by architecture obstacles. And its easy installation and maintenance can help carrier get fast return.
The repeater is working as a relay between the BTS and mobiles. It picks up the strongest signal from BTS via the Donor Antenna, linearly amplifies the signal and then retransmits it via the Indoor Signal Distribution System to the weak/blind coverage area. And the mobile signal is also amplified and retransmitted to the BTS via the opposite direction.
The band-selective function can choose to amplify the signal within the customized band.
Features:
Two signal ports with full duplex design
High system gain
Linear power amplification to effectively suppress inter-modulation and spurious emission
Smart Automatic Level Control (ALC) ensures output level stable and adjustable continuously
Unique color LEDs to indicate power supply and signal level of uplink and downlink
Simple installation with external AC/DC adapter
Application:
To expand signal coverage or fill signal blind area where signal is weak or unavailable.
Indoor: Hotels, exhibition centers, basements, shopping malls, offices, parking lots, …
Technical Specification:
Items Specification
Frequency Range (Customized) Uplink 890~915 MHz
Downlink 935~960 MHz
Gain (3 options) Uplink ≥ 55 dB / ≥ 65dB / ≥ 45dB
Downlink ≥ 60 dB / ≥70dB / ≥ 50dB
Gain Adjustment Range ≥ 30 dB
Output Power (3 options) ≥ 23 dBm / ≥ 23 dBm / ≥ 20 dBm
In-band Ripple ≤ 4 dB
Out-of-Band Suppression ±200kHz > 5dB, ±400kHz > 10dB, ±600kHz > 20dB,
±1MHz > 46dB, ±5MHz > 50dB, ±10MHz > 52dB
I/O Impedance 50 Ω
I/O Echo Loss ≤ -10 dB
Noise Figure ≤ 8 dB
Intermodulation Attenuation (when rated output power = 13dBm) ≤ -40dBc
System Delay ≤ 0.5 μSec
RF Connector N-Type
Operating Temperature -10 ~ +50 °C
Power Supply AC110~220V±10% 45~55Hz
Dimensions 222mm x 106mm x 33mm
Weight 1.5 kg
Electromagnetism Compatibility Compliance with ETS300 694-4 Standard
Indication LED Power supply, Rx signal level, Tx signal level
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