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GSM Frequency Shift Repeater

 

GSM Frequency Shift Repeater

 

Specifications of GSM Frequency Shift Repeater

Donor Unit Remote Unit
Working Frequency (customizable) Uplink 824~849MHz / 890~915MHz / 1710~1785MHz / 1895~1910MHz
Downlink 869~894MHz / 935~960MHz / 1805~1880MHz / 1975~1990MHz
Link Frequency Customizable
Transmission Distance ≤ 20km
No. of Channels (for channel shift) 1 / 2
Frequency Error ≤ 0.05ppm
Output Power (customizable) Uplink Cable-Access: ≥ 0dBm
Wireless-Access: ≥ 30dBm
≥ 33dBm
Downlink 30~40dBm (1W~10W) 37~43dBm (5W~20W)
Downlink Input Level Cable-Access: ≥ -10dBm / Wireless-Access: ≥ -70dBm
Gain Cable-Access: ≥ 45dB
Wireless-Access: ≥ 85dB
≥ 90dB
Gain Adjustment Range 1~31dB @ step of 1dB
Voltage Standing Wave Ratio (VSWR) < 1.3
Noise Figure < 5dB (only for uplink)
Spurious Emission Within working band ≤ -15dBm/30kHz
Out of working band
(Δf > 2.5MHz)
9kHz~1GHz: ≤ -36dBm/100kHz
1GHz~12.75GHz: ≤ -30dBm/30kHz
In-Band Intermodulation Attenuation ≤ -40dBc/30kHz
Out-of-Band Suppression Per band Δf > 2.5MHz: < -40dBc (downlink); Δf > 10MHz: < -60dBc (uplink)
Per channel Δf > 1.98MHz: < -44dBc (downlink); Δf > 1.98MHz: < -38dBc (uplink)
In-Band Ripple ≤ 3dB p-p
System Delay ≤ 10μSec
I/O Impedance 50Ω
RF Connector N-Type (Female)
Temperature Range Operation: -25°C ~ +55°C / Storage: -30°C ~ +60°C
Relative Humidity Range ≤ 95% (non condensing)
Power Supply (customizable) DC +24V / DC -48V / AC 220V±15%, 50Hz / AC 110V±15%, 50Hz
Backup Power Supply (optional) 4 hours
Casing Level IP65
Dimensions 630mm X 400mm X 230mm Output power @37~40dBm: 570mm X 325mm X 215mm
Output power @40~43dBm: 630mm X 400mm X 230mm
Weight 33kg Output power @37~40dBm: 27kg
Output power @40~43dBm: 35kg
Remote Monitoring/Control via NMS Supported
ALC (Automatic Level Control) Supported

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