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Issue 1, 2010

New VHF Milled Duplexers

RFI’s extended range of milled bandpass  duplexers now includes VHF highband frequency models. These duplexers are ideal for use  in single and multi-carrier applications with 75W and 200W models ­included in the initial product release.

These new designs feature:

  • Excellent temperature stability
  • Continuous-rated RF power handling ability
  • High port-to-port isolation and direct DC-grounding on both input and output connectors for ­enhanced surge suppression
  • All in a ruggedised milled housing
  • Models are available to suit common frequency ­allocations within the 132-174MHz range.
  • Units can also be supplied to suit other ­requirements convenient selectivity and Tx-band rejection  in 1MHz or 2MHz standard pass ­bandwidths.  Other bandwidths can be supplied for custom and project applications.

These new models compliment our existing range of milled duplexer products and allow VHF systems to utilise the performance and small physical size that milled technology provides. 
Standard models are provided with N female ­connectors and are mounted on a 4RU 19inch flush front panel for convenient installation within ­equipment cabinets.