We’re Testing HF Band Pass Filters From Ali Express On The NanoVNA. They’re Very Inexpensive But How Good Can They Be?
★Links chosen at random. There are many different "sellers" so you may want to look around a little bit before purchasing. There are also other bands available. I have absolutely no affiliation whatsoever with Ali Express so buy at your own risk. I assume no responsibility.
7MHz: https://www.aliexpress.us/item/3256803987755995.html?spm=a2g0o.productlist.main.1.6da6oGw9oGw9Q1&algo_pvid=85777d1f-0a92-4877-98f9-0ed4cc3598d3&algo_exp_id=85777d1f-0a92-4877-98f9-0ed4cc3598d3-0&pdp_npi=4%40dis%21USD%2153.98%2149.66%21%21%2153.98%21%21%402101f04d16971341187721258e9cfd%2112000028282727102%21sea%21US%210%21AB&curPageLogUid=vHPff2XRhWmS
14MHz: https://www.aliexpress.us/item/3256803987839460.html?spm=a2g0o.productlist.main.1.73e9OElTOElT0P&algo_pvid=f8fe3a17-fc05-4d98-a55e-a9f59738d1db&algo_exp_id=f8fe3a17-fc05-4d98-a55e-a9f59738d1db-0&pdp_npi=4%40dis%21USD%2144.98%2141.38%21%21%2144.98%21%21%40210318c916971341297081391e47b5%2112000028282631701%21sea%21US%210%21AB&curPageLogUid=0Dk7SpQg43Q1
18MHz: https://www.aliexpress.us/item/3256805223676452.html?spm=a2g0o.productlist.main.11.e2e7VV1pVV1pw9&algo_pvid=19c6edf5-84b7-4f67-b12a-891b9d542c74&algo_exp_id=19c6edf5-84b7-4f67-b12a-891b9d542c74-5&pdp_npi=4%40dis%21USD%2161.88%2149.5%21%21%2161.88%21%21%402103205316971341840601978e3216%2112000032944775631%21sea%21US%210%21AB&curPageLogUid=cIdRwVgbfyqu
21MHz: https://www.aliexpress.us/item/2251832701319439.html?spm=a2g0o.productlist.main.7.4a9dVZ5iVZ5i8a&algo_pvid=3c649996-93c7-42f6-84d9-55066c061c23&algo_exp_id=3c649996-93c7-42f6-84d9-55066c061c23-3&pdp_npi=4%40dis%21USD%2178.00%2160.84%21%21%2178.00%21%21%402103250d16971341500044503e9f5e%2165671986073%21sea%21US%210%21AB&curPageLogUid=ilA5kNDoAXIO
28MHz: https://www.aliexpress.us/item/3256803618233047.html?spm=a2g0o.productlist.main.3.7f03vyDovyDosO&algo_pvid=367ca153-fb8d-48e2-8408-f9d0bfccaab2&algo_exp_id=367ca153-fb8d-48e2-8408-f9d0bfccaab2-1&pdp_npi=4%40dis%21USD%2158.99%2147.19%21%21%2158.99%21%21%402101e9d416971341953908633e43fd%2112000027224756197%21sea%21US%210%21AB&curPageLogUid=fCgTH1DU2XQm
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SMA Female Antenna: https://signalstuff.com/super-elastic-signal-stick-sma-female/?ref=4089
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