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DIU Series
DIU Series, Points of Interface POI
DIU Series

Points of Interface (POI)

Bird's DIU Series, Points of Interface (POI) Splitter/Combiner Panels are 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 interfaces (FOI).

Model Numbers
  • DIU301 - High Loss
  • DIU302 - Low Loss for back to back configuration
DIU Series, Points of Interface POI
DIU Series
product specifications:
Item No
DIU Series
Item Name
Points of Interface (POI)
88-2700 MHz
Between ports in same strip > 15 dB
Between ports in different strip > 50 dB
50 Ohm
Insertion Loss
DIU301: 37 dB (typ)
DIU302: 21 dB (typ)
< 1.25:1
Input RF Power
20 dBm (max)
QMA (Female)
4 pcs | Type: 1:8
Operating Temperature
-25 to +55 °C
1U 19” Rack
2 kg