I may order another new CM4228HD and see how it works. From reading the characteristics and other's reviews, should have received something. Also, the DB8 seems to compare to the CM4228 - maybe a little less sensitive in lower UHF or vice versa?
I haven't attempted to open the 4228'a balun and troubleshoot it.
I'm reading about the HBU-55, MXU59, XG91, 10-7-13 and CM3671 to pair it with the new 4228.
On side note: Was thinking to add a piece of mesh type wire to the 4228 reflector to test if sensitivity improves.
