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900 Mhz BP Duplexer, US $130 – Picture 0
900 Mhz BP Duplexer, US $130 – Picture 1
900 Mhz BP Duplexer, US $130 – Picture 2
900 Mhz BP Duplexer, US $130 – Picture 0
900 Mhz BP Duplexer, US $130 – Picture 1
900 Mhz BP Duplexer, US $130 – Picture 2

900 Mhz Bp Duplexer

US $130

  • Rancho Cucamonga, California, United States
  • Jan 29th
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This is a 900 MHz band pass duplexer. Unknown make or model, it is heavy brass, or similar, and silver plated. It has 6 poles of bandpass filtering on each side, and ends up with a flat 4 MHz bandpass in each section with about 2 db of loss. The power rating is unknown, but it looks like it could handle 25-30 watts with no problem. Each BP section has an SMA connector on one end, the antenna port as an N connector. The low side was tuned to 902-906. The high side was tuned up at 926-929. Dimensions are 10.75" L X 3.75" H X 3.25" H  Weight is about 6 lbs. The original application for this duplexer is unknown, but it looks like it would work ok for a medium power amateur repeater.

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