The SOL-36316-28-G1 from ERAVANT is a Gunn Diode Oscillator with Frequency 34.5 to 36.5 GHz, Centre Frequency 35.5 GHz, Bandwidth ±500 to 1000 MHz, Output Power 0.031 to 0.039 W, Bias Current 350 to 400 mA. More details for SOL-36316-28-G1 can be seen below.