The Trilithic XDB series of DC blocks can provide isolation from DC voltages up to 200 volts
Inner DC Block, 10MHz-18GHz SMA male/female.
Inner/Outer DC Block, 10MHz-18GHz SMA male/female.
Inner/Outer DC Block, 10MHz-18GHz N male/female.
50 Ohm inner DC blockswith a frequency range up to 4 GHz.
75 Ohm inner DC blockswith a frequency range up to 2.5 GHz.