Insight Product Company offers a Magnetron based receiver operating in W-band.

Specifications:
 

Parameters	Specifications	Measured Value
Operating Frequency range, GHz	94 +/- 0.5	94 +/- 0.5
Gain, dB	at least 25	28.7
Dynamic range, dB	at least 60	~61
IF, GHz	1.5	1.27
Output of Detector	DC to 10 kHz	DC to ~100 kHz, Uout max ~2500 mV
Operating temperature range, degrees Celsius	25 +/- 10	17-42
Antenna (Rectangular horn) Gain, dB	at least 20	at least 21.4

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