Waveline 709 (WR-62) 12.4-18 GHz, 0-60 dB, 2 W, Rotary Vane Attenuator
Exact item shown, WR42 vane type attenuator, rotating the wheel raises and lowers the vane adjusting the attenuation, when you have it where you want it, tightening the lock screw locks it into position.
KAY 3 element attenuator 10, 20, 30dB for 0-60dB atten, 7-12V, DC-1.5GHz Tested
First photos show the item, last photos show the analyzer testing the attenuator. First the test setup and then the result. yo can see htat insertion loss at 1 GHz is. 6dB and at 100 MHz it’s. 45 dB.