1. EASY to use and install: Connect the surge protector/ grounding block to cable
2. 5-694 MHz PASS, 733-1000 MHz STOP
3. 4G LTE Filter: Improve the Over The Air Signals by filtering out mobile LTE signals interference (3G and 4G) which can cause Intermitent TV signals disruption including weak signals
4. Grounding block to protect your expensive House system and TV system
5. McDuory Comprehensive Warranty - We stand behind our product 100% with a ONE year warranty and 45 days Money back.