The 50-A from Bird is a Fixed Attenuator with Frequency DC to 2.4 GHz, Attenuation 3, 6, 10, 20, 30 dB, Power 50 W, Weight 1.0 lbs, 454 g, 0.454 Kg, Operating Temperature -40 to 40 Degree C. Tags: Module with Connectors. More details for 50-A can be seen below.