Frequency Extenders
Copper Mountain Technologies

Copper Mountain Technologies offers a broad range of USB vector network analyzers, calibration kits, and accessories for 50 Ohm and 75 Ohm impedances to 330 GHz.
Eravant

Eravant offers thousands of 18 to 325 GHz products off-the-shelf to meet the requirements of any block diagram or test set-up.
Farran

Componentes de milimétricas de catálogo o a medida desde 20 a 500GHz.