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     DUPLEXER (DR TYPE / AIR TYPE) GSM900 / GSM1800 / IMT / WIMAX



GSM 900

  ELECTRICAL SPECIFICATION
Parameter Specification Comments
OutDrawing MD947R902B25X01  
Frequency Range RX TX  
890~ 915 MHz 935 ~ 960 MHz
Bandwidth 25 MHz  
Insertion Loss 1.5dB Max  
Passband Ripple 1.0dB Max  
Return Loss 20.0 dB Min  
Attenuation 935~960MHz 80 dB Min    
890~915MHz   20 dB Min  
TX Band Rejection 40dB Min @890~960MHz  
Input Power (avg.) 30W CW  
Impedance 50Ω  


  MECHANICAL SPECIFICATION
Parameter Specification Comments
Operating Temp -20℃ + 70℃  
Dimension(WxDxH) 203.5 x 100 x 45(Max) Widthout Connector
Connector ANT/ TX/ RX SMA Female  
Weight ( Kg ) -  
Finish Black Color Epoxy Coating  




GSM 1800

  ELECTRICAL SPECIFICATION
Parameter Specification Comments
OutDrawing MD1842R1747B75X01  
Frequency Range RX TX  
1710~ 1785 MHz 1805 ~ 1880 MHz
Bandwidth 75 MHz  
Insertion Loss 1.0dB Max  
Passband Ripple 0.6dB Max  
Return Loss 18.0 dB Min  
Attenuation 1710 ~ 1785 MHz   50 dB Min  
80MHz ~1700 MHz   50 dB Min  
2GHz ~ 5GHz 60 dB Min  
1805 ~ 1880 MHz 50 dB Min    
80 ~ 1650MHz 30 dB Min    
Coupling 30dB ± 1.5dB Max  
Input Power (avg.) 10W  
Impedance 50Ω  


  MECHANICAL SPECIFICATION
Parameter Specification Comments
Operating Temp -20℃ ∼ +80℃  
Dimension(WxDxH) 150 x 70 x 35(Max) Widthout Connector
Connector ANT/ TX/ RX SMA Female  
Weight ( Kg )    
Finish Black Color Epoxy Coating  



IMT

  ELECTRICAL SPECIFICATION
Parameter Specification Comments
OutDrawing MD2140R1950B20X01  
Frequency Range TX RX  
1940.55~ 1959.45 MHz 2130.55~ 2149.45 MHz
Bandwidth 18.9MHz  
Insertion Loss 1.2 dB Max  
Passband Ripple 0.8 dB Max  
Return Loss 20.0 dB Min  
Attenuation F0 ±12.5 MHz 33 dBc Min  
F0 ±20 MHz 40 dBc Min  
9KHz ~1870 MHz 90dBc Min  
2.3GHz~2.4GHz 90dBc Min  
TX Band Rejection 110dBc Min  
Input Power (avg.) 50dBm 30dBm  
Coupling 40.0 dB ± 1.0 dB Max  
Impedance 50Ω  


  MECHANICAL SPECIFICATION
Parameter Specification Comments
Operating Temp -20℃ ∼ +70℃  
Dimension(WxDxH) 220 x172 x 40 Widthout Connector
Connector TX/ RX/CPL SMA Female  
ANT/ N Female  
Weight ( Kg )    
Finish Black Color Epoxy Coating  




WIMAX

  ELECTRICAL SPECIFICATION
Parameter Specification  
OutDrawing MD2140R1950B20X01  
Frequency High Low  
Center Frequency 3726 MHz 3666 MHz  
Frequency Range 3716MHz ~ 3736MHz
3656MHz ~ 3676MHz
 
Return Loss 20.0 dB Min 20.0 dB Min  
Insertion Loss 1.5dB Max 1.5dB Max  
Passband Ripple 0.5 dB Max 0.5 dB Max  
Attenuation      
Tx to Rx Isolation 80.0 dB Min 80.0 dB Min  
In Put Power 10W Max  
Impedance 50Ω  


  MECHANICAL SPECIFICATION
Parameter Specification Comments
Operating Temp -20℃ ∼ +70℃  
Dimension(WxDxH) 132 X 104 X 25 Max  
Connector Ant SMA-4H  
Low /High SMA-4H  
Weight ( Kg )    
Finish Black Color Epoxy Coating