The P1AT-18MF-65G1W-3 from P1dB Inc. is a Fixed Attenuator with Frequency DC to 65 GHz, Attenuation 3 dB, Power 1 W, Attenuation Accuracy 0.75 dB, Operating Temperature -55 to 100 Degree C. Tags: Module with Connectors. More details for P1AT-18MF-65G1W-3 can be seen below.