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Home : Technical Reference : Filters
- Television Notch Filters
new
- Intersting article about TV interference, with several examples of TVI Filters, to reduce the passage of any RF above the 30 MHz including commercial Low Pass Filters, home made notch filters or coaxial filters.
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Home : Technical Reference : Headsets and Speakers
- Wireless Headset with PTT
new
- The GN9120 is an excellent bluetooth type headset. Here an article about GN9120 Wireless Headset Conversion for Ham Radio with PTT
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