The 5-A from Bird is a Fixed Attenuator with Frequency DC to 4 GHz, Attenuation 3, 6, 10, 20, 30 dB, Power 5 W, Weight 3.1 oz, 88 g, 0.088 Kg, Operating Temperature -40 to 40 Degree C. Tags: Module with Connectors. More details for 5-A can be seen below.