Itís just a name
They are a brand name and they charge more.
My Rapco parts perform just as well.
Bobby Hester - Builder/Pilot/A&P
Surfing the web from Hopkinsville, KY
N857BH RV7A XP-O360 - Garmin G3X ADS-B IN/OUT 2020 Compliant
Web site: http://www.newtech.com/bobbyhester/RVSite.htm
Dec. 2018 VAF donator - alot better than any magazine subscription