Advent AUC3800 upconverter with block upconverter BUC 3814 ku band upconverter
Advent AUC3800 can work on any band (C band, KU band , L band etc with the appropiate BUC.
the BUC3814 is for KU band also so will work at 14 to 14.5ghz output
AUC3800 is the MK3 version
last used on SNG truck to connect from tandberg HD encoder and output from BUC3814 into the xicom HPA