The SOV-77305217-12-G1 from ERAVANT is a Gunn Diode Oscillator with Frequency 76.25 to 76.75 GHz, Centre Frequency 76.5 GHz, Bandwidth ±250 MHz, Output Power 0.031 to 0.05 W, Bias Current 750 mA. More details for SOV-77305217-12-G1 can be seen below.