Product Description
Dish Network 3 GHz Single Ground Block High Frequency Coaxial UL Listed F-81 Prevents Damage to Satellite TV Antenna Voltage Protect Connection Mount Outdoor Digital Video Signal, Part # PVGB1HF
3 GHz High Frequency Ground Block!!!
This ground block is used to ground coax cables from a multi-switch, satellite dish or outdoor antenna. Used to ground and help protect fragile electronics such as satellite receivers and televisions from damaging lightning strikes and power surges.