The PEWGN1012 from Pasternack Enterprises Inc is a Gunn Diode Oscillator with Frequency 23125 to 25125 MHz, Centre Frequency 24.125 GHz, Bandwidth ±500 to 1000 MHz, Output Power 10 to 12.5 dBm, Bias Current 350 mA. More details for PEWGN1012 can be seen below.