If the photograph is clicked, it grows.

Tektronix 015-0385-00 Diplexer
JPY75,000 1 stock
par2157

LO SMA(f) 2.1GHz-6 GHz
IF SMA(f) 2.072GHz
Mixer SMA(f)
DC Bias supply from IF port adjusting front panel nob.
For 49X-series, 475X-series, and 279X-series spectrum analyzers
Mixer VM490 series