The PRO-DIPX 270/300-BNC from Amphenol Procom is a Diplexer with Frequency f1 DC to 270 MHz, Frequency f2 300 to 512 MHz, Power 50 W, Insertion loss 0.7 dB, Insertion loss f1 0.7 dB. Tags: Module with Connectors, Cavity. More details for PRO-DIPX 270/300-BNC can be seen below.