Attenuator and Dummyload

I have a plan to expand the usability of my TinySA Spectrum Analyzer, by creating an attenuator, as completely basic ´can be described as an electrical resistance, to lower the strength/power of RF signals.

When I make a case for the attenuators and heatsink, I can add a resister to be used as dummyload for my radio.

BOM:
20 db FLANGE Attenuator 150W
5 pol switch
50 ohm 250W Resistor for a dummyload
PL plugs
project case
heatsink

Attenuators
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