The BW-E20-1W653+ from Mini Circuits is a Fixed Attenuator with Frequency DC to 65 GHz, Attenuation 17.5 to 22.5 dB, Power 1 W, Weight 5.6 g, Attenuation Accuracy ±1.5 dB. Tags: Module with Connectors. More details for BW-E20-1W653+ can be seen below.