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DAS Interface Unit (DIU)

Westell, formerly (CSI), ClearLink DAS Interface Unit (DIU) simplifies the interconnection of repeaters and base stations into a distributed antenna system (DAS). These units are designed to exceed each carrier’s PIM performance requirements and can be customized to meet virtually any combination of frequency bands and port configurations.

The ClearLink DIU is engineered to fit your deployment requirements. Customizable features include:

  • Support frequencies: Lower LTE 700, Upper LTE 700, AWS, Public Safety 700, SMR 800, SMR 900, Cellular 850, PCS 1900, PCS G
  • Attenuation: fixed, variable, and/or more
  • Connector types: N Female, 7/16 DIN, QMA or SMA (mix and match if desired). Others available upon request.
  • Port configuration:Front and/or back panel placement ports
  • Simplex, duplex or mixed if desired
  • SISO or MIMO

Contact Westell today to create a customized DIU tailored to meet your needs.

Active DAS RF Conditioner DIU POI Module_Front
Front
POI Module
Back
Product Highlights
  • Interconnects BTS or repeater to single host or multicarrier DAS while providing test ports and variable attenuation at the head end so you can adjust Tx and/or Rx levels non-intrusively
  • Customized to meet specific site BTS and DAS head end requirements
  • Cost effective and space saving integrated solution. CSI will engineer a high performance interface utilizing minimal rack space
  • Easy to install, rack mountable enclosure can also be wall mounted
  • The all passive component architecture ensures high reliability and requires no external power supply
  • Variable attenuation for 0 to 30 dB
  • Handles power levels up to 47 dBm (50W)

The ClearLink DIU is engineered to fit your deployment requirements. Customizable features include:

  • Support frequencies: Lower LTE 700, Upper LTE 700, AWS, Public Safety 700, SMR 800, SMR 900, Cellular 850, PCS 1900, PCS G
  • Attenuation: fixed, variable, and/or more
  • Connector types: N Female, 7/16 DIN, QMA or SMA (mix and match if desired). Others available upon request.
  • Port configuration:
    • Front and/or back panel placement ports
    • Simplex, duplex or mixed if desired
    • SISO or MIMO
Features & Benefits
  • Meets carrier PIM requirements
  • Connects DAS to BTS or repeater
  • Customizable to support virtually any combination of RF bands and technologies
  • Easy to install, rack or wall mount
  • Variable attenuation available
  • Tx/Rx test ports available
Specs
Passband Lower LTE 700, Upper LTE 700, AWS, Public Safety 700, SMR 800, SMR 900, Cellular 850, PCS 1900, PCS G
Attenuation (optional)
Fixed1 High power varies
Variable 0 to 30 dB (1 dB increments)
PIM Meets carrier PIM specifications as low as -161 dBc (2 x 43 dBm)
VSWR ≤1.3:1
Rejection >80 dB
Power Handling Up to 50 W Max
Operating Temperature -15° C to +40° C
Number of Inputs Up to 20, customized for application
Number of Outputs Up to 20, customized for application
Connectors N Female, 7/16 DIN, QMA or SMA (mix and match if desired). Others available upon request
Dimensions 20 in x 19 in x 3.5 in
  1. Fixed attenuation is customizable based on input and output power requirements