UV-K5 si4732 v2.5 overview - hf full band /w LNA & audio preamp

Hands on overview of hf full band version 2.5 (or version 3 if you are way too eager). We desolder components and measure things. Plus we take a look at datasheet of the LNA. We also discuss 3 ways to install this board -- antenna, antenna, and antenna with two sequential LNAs. #quanshenguvk5 #quansheng #v3 #v2 #si4732 #hamradio