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Author Topic: Any mod to get 220 band on FT-7900?  (Read 867 times)
KJ6ARL
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Posts: 4




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« on: January 18, 2013, 10:08:00 AM »

Is there a modification to the FT-7900R enabling it to transmit and receive in the 220 band?  If so, what is it and does it work?
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W0FM
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Posts: 2057




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« Reply #1 on: January 18, 2013, 11:20:59 AM »

Out of the box it appears that radio will RECEIVE 220:  "The FT-7900R provides receiver coverage from 108 to 520 MHz, and 700 to 999.99 MHz (cellular blocked), so you have available a wide range of monitoring excitement, including AM Aircraft, Public Safety, Government, Business, and, of course, Amateur communications. The synthesizer steps appropriate for the operating band are automatically selected, too!"

Modifying it to TX 220 will need to be addressed with more first-hand experience than me.

Terry, WØFM
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KA4POL
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Posts: 2125




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« Reply #2 on: January 19, 2013, 04:22:32 AM »

There are two different signal paths, one for VHF and one for UHF. They go via the respective VCOs. Further on there are filters for VHF and UHF. 220 will just be to far away for the circuits to cover it.
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