PE8219 is a coaxial RF DC block is from Pasternack and has an 50 Ohm impedance. Our 50 Ohm DC block is manufactured with a TNC input and TNC output. This TNC DC block is an inner direct current block type. Pasternack inner TNC DC block is rated for a minimum frequency of 10 MHz and a maximum frequency of 18 GHz. PE8219 TNC inner DC block has a maximum insertion loss of 0.75 dB and a maximum VSWR of 1.35:1.