• Extends range in low signal-strength areas;• Preserves signal purity with Extremely Low Noise (ELN) circuitry;• Outperforms old preamps made for analog signals;• Optimizes performance with separate UHF/VHF amplification;• Switchable FM trap prevents interference from FM signals;• For use in all difficult reception areas; HEIGHT X LENGTH X WIDTH: 3.47 X 3.78 X 5.79 WARRANTY: PENDING RETURNABLE: Yes