Can These Cheap Ali Express Band Pass Filters Be Any Good??

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/325680...
14MHz: https://www.aliexpress.us/item/325680...
18MHz: https://www.aliexpress.us/item/325680...
21MHz: https://www.aliexpress.us/item/225183...
28MHz: https://www.aliexpress.us/item/325680...

Consider becoming a Patron @   / k8mrdradiostuff  
Follow me on Twitter.   / k8mrd  

★Links to many of the things I use can be found here:
https://www.amazon.com/shop/k8mrdradi...

Big Geek Battery Box, https://k8mrd.square.site
Watch the video here:    • Big Geek 12V Ham Radio Battery Box So...  
Tri-Lam BuddiStick Pro Counterpoise Support: https://k8mrd.square.site

K8MRD Radio Stuff Shirts:
Happy Skull Guy: https://grapevineamateurradio.com/col...
Tower of Terror: https://grapevineamateurradio.com/col...

Parks On The Air Merch (non affiliate) https://www.clubgearonline.com

Links to other stuff
**Save 10% off your Coax order at ABR Industries. Use code K8MRD10 at checkout.
https://abrind.com/?sld=2

The SkyHook Portable Mast Antenna Mount (non affiliate)
http://www.thehamstop.com/
Use code K8MRDRADIO for 20% off

Save 5% Off At Gigaparts With Code K8MRD:
https://www.gigaparts.com/nsearch/?lp...
Save 10 % off Messi & Paoloni & ABR Industries Coax With Code MP10 https://www.gigaparts.com/nsearch/?lp...

10% off Messi & Paoloni Coax
Use code K8MRD for 10% off.
https://messi.it. (or you can order from Gigaparts)

Signal Stuff Signal Stick Antennas:
BNC Antenna: https://signalstuff.com/super-elastic...
SMA Female Antenna: https://signalstuff.com/super-elastic...
SMA Male Antenna: https://signalstuff.com/super-elastic...
Signalstuff Antennas: https://signalstuff.com/?ref=4089

~~~$15 off most purchases over $65 at Radioddity:
http://radioddity.refr.cc/mikedahlhofer

*All Links Are Affiliate Where Possible

#hamradio #hamradiotube #parksontheair