The BW-K4-2W44+ from Mini Circuits is a Fixed Attenuator with Frequency DC to 40 GHz, Attenuation 3.25 to 5.0 dB, Power 2 W, Weight 4.73 g, Operating Temperature -55 to 100 Degree C. Tags: Module with Connectors. More details for BW-K4-2W44+ can be seen below.