If the photograph is clicked, it grows.

Tektronix WM490U 40-60GHz Waveguide Mixer
JPY120,000 1stock
par546







Frequency Range:40-60GHz
Max RF input:+20dBm 100mW Pulse 1W 1us
LO: Min+7dBm Max+15dBm DC-Bias:0-20mA
Sence -95dBm responce +-2.5dB

for 490,2750series Spectrum Analyzer