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20dbm GSM and 3G Dual Band Booster/Repeater(DE20-GW)

Overview:    
     The DE20-GW
dual system repeater is to support any two mobile systems GSM and 3G to help end users to improve mobile signals for better signal coverage. It is designed to support coverage area up to 600~2000 square meters with proper engineering. Below are the main features: 
1. Intermediate SAW filter technology for very sharp out of band rejection to amplify only specific operators' signals and reject al l the others. 
2. Manual gain control (MGC) available for both uplink and down link to adjust the gain value for proper coverage during installation or maintenance.
3. To maintain safe and specific output signal levels and give alarms on self-oscillation, the repeater has built-in AGC and ALC circuits, which can automatically control the gain of the repeater depending upon the strength of input signals.
4. Auto shut off design available for both uplink and downlink to avoid serious interference to network effectively when the repeater is in deep self-oscillation or very strong input power.
 5. Support one to four sub bands for each system.

   GSM Booster Arrangement

Specifications:
 Electrical specification  
 Uplink
 Downlink
 Frequency Range
890 ~ 915 MHz                                  935 ~ 960 MHz        
                                        1920 ~ 1980 MHz 2110 ~ 2110 ~ 2170 MHz
   Max. Gain
≥65dB
≥ 70dB
 Max .Output Power
≥ 15dBm
≥ 20dBm
 Band width (-3dB)
    Wideband
 MGC
≥ 31 / 1dB Step
 ALC                      
≥ 20dB
 Gain Flatness
≤3~6dB(P-P)
 Noise Figure
≤7dB
 VSWR
≤2
 Group Delay
≤5μs
 LED Alarm
 Standard
 Power LED
Green light when power on.
 ALC LED
Orange @ ALC 1~5dB, Red @ ALC 20dB~25dB,
 Mechanical Specifications
 Standard
 I /O Port
N-Female
 Impedance
50 ohm
 Operating Temperature
-25ēC~+55ēC
 Environment Conditions
IP40
 Dimensions
250*300mm*53mm
 Weight
≤ 4.5Kg
 Power Supply
InputAC90~264V, Output DC12V7A

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