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POI
POI Point of Interconnect Unit
POI

The Splitter/Combiner Panel is used to interconnect all RF paths in a Fiber-DAS head-end system. The unit consists of four strips of splitter/combiner ports with one common and 8 isolated ports in each strip. The unit is used to interconnect between the base station interface unit and the fiber optic interface and to split the signal on to several fiber-optic (FOI) interfaces.

RF Specifications
  • Bandwidth:  650-2200 MHz
  • Isolation between ports in same strip:  > 15 dB
  • Isolation between ports in different strip:  > 50 dB
  • Impedance:  50 Ohm
  • Insertion loss:  Nominal 37 dB
  • VSWR:  < 1,25:1
  • Maximum input RF power:  20 dBm
Interface Specifications
  • Connector type:  QMA Female Female
  • Splitters:  4 pcs
  • Splitter type:  1:8
General Specifications
  • Weight: 2 kg
  • Operation temperature: -25 to +55 °C
  • Size: 1U 19” rack

Model Numbers

  • DIU301 - High Loss
  • DIU302 - Low Loss for back to back configuration

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POI Point of Interconnect Unit
POI
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POI
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Point of Interconnect Unit