The PRO-ATT 30 dB-25-3-7/16(f) from Amphenol Procom is a Fixed Attenuator with Frequency DC to 3 GHz, Attenuation 30 dB, Power 25 W, Weight 650 gm, Attenuation Accuracy ±0.75 to 1.5 dB. Tags: Module with Connectors. More details for PRO-ATT 30 dB-25-3-7/16(f) can be seen below.