The PE8210 from Pasternack Enterprises Inc is a 50 Ohm, In Series DC Block that operates from 10 MHz to 18 GHz. It has a breakdown voltage of 200 Vrms, an insertion loss of 0.5 dB and a VSWR of 1.35:1. It has SMA Male to SMA Female Connectors which are both MIL-STD-348 Certified.