The 75-A from Bird is a Fixed Attenuator with Frequency DC to 2.4 GHz, Attenuation 3, 6, 10, 20, 30 dB, Power 75 W, Weight 1.6 lbs, 726 g, 0.726 Kg, Operating Temperature -40 to 40 Degree C. Tags: Module with Connectors. More details for 75-A can be seen below.