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Converting SMA-F antenna to BNC


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I converted my HTs to a BNC-F connector to make it easy to swap out from car, home, and roll-up J Pole. I'll eventually buy short whip antennas with native BNC-M plug but I want to continue using my Nagoya 771 whip antennas that are SMA-F (HTs are SMA-M). My BNC adapter is flush and tight to the radio and I would like the BNC-SMA adapter for the antenna to be flush and tight as well but I can only find BNC-M to SMA-F adapters like that:

https://www.dxengineering.com/parts/dmn-bncp-smaj?seid=dxese1&srsltid=AfmBOorZzUrpLejBQvtkx15_U55cvC1ghyCTyzJF82v4E1DeYgxf1dyRDDY

The only adapters I have seen are more for cabling that won't be as sturdy for antenna use. 

https://www.amazon.com/DHT-Electronics-2pcs-coaxial-adapter/dp/B00CVQLS98/ref=sr_1_5

I was hoping a $2-5 adapter would save my antenna investment. Thanks.

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3 hours ago, RIPPER238 said:

I was contemplating the same thing for my H3 and Q10H but i don't think it will work on my Q10H since it has a ridge along where the antenna goes.

 

But i did find this that should work for my SMA-M radio: https://www.amazon.com/dp/B0BPC696CN/?coliid=I2OU9J9HJL6K9E&colid=12UK8YYKL4S69&psc=1&ref_=list_c_wl_lv_ov_lig_dp_it

That's what I am putting it on. Should work great on the TD-H3 but I'll let you know if it sits flush and doesn't hit the plastic surround on the port. I wanted the antenna to sit flush to the adapter and Signal Stuff makes a perfect looking BNC adapter that I just found.

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