Extends range for indoor antennas & enhances performance in low signal-strength areas; Compatible with all nonamplified antenna brands; RCA(R) advanced SmartBoost(TM) technology amplifies weak signals to deliver the most channels possible while filtering out false signals; Optimizes performance with separate UHF/VHF digital amplification; Preserves signal purity with Extremely Low-Noise (ELN) circuitry;