Check the listing for details. HOLLAND DC VOLTAGE BLOCKING COUPLER VBC-HR, SATELLITE, CABLE ADAPTER. Condition: New. Listed at 9.99 USD. HOLLAND ELECTRONICS! This item is an Inline f-type VBC-HR DC voltage Blocking Coupler/Adapter. Stops DC voltage from inline power inserters at any connection point in the coaxial wiring where needed. Works on satellite/cable and antenna systems. f-type male to female connections. impedance is 75 ohms bandwidth is 5-3000MHz Holland Electronic's high-performance adapters have been developed to meet the stringent requirements of the industries customers. The HR Series line of selected adapters were designed to meet the higher standards and improve performance of CATV and satellite systems operating to 3 GHz. The HR Series uses Holland Electronic's patented round seizing pin mechanism. thanks for shopping with us and have a great day! VBC Voltage Blocking Coupler • Blocks DC Voltage from Input to Output • Female to Male F Fittings • Solid Brass Body • Bright Acid Tin Plating