Those of you who've run into the now famous or infamous series of military band pass filter assemblies, might appreciate the internal parts view available in this ebay auction (which I have no vested interest in).
Ebay item number 3059528377 This unit is in the low portion of the UHF band. cheers skipp025 atyahoo.com Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/