The PRF-DCB2MFI18 from Premier RF is a DC Block with Frequency 10 MHz to 18 GHz, Breakdown Voltage 2.5 KV, Input Power (Avg) 200 W, Peak Power 2.5 KW, VSWR 1.35:1. Tags: Module with Connectors, Inner DC Block. More details for PRF-DCB2MFI18 can be seen below.