The ZDSS-3G4G-S+ from Mini Circuits is a Diplexer with Frequency f1 DC to 3000 MHz, Frequency f2 4000 to 20000 MHz, Power 3 W, Insertion loss 1.5 to 2 dB, Insertion loss f1 1.5 to 2 dB. Tags: Module with Connectors, Suspended Substrate. More details for ZDSS-3G4G-S+ can be seen below.