TV Antenna Preamp 1-1-Port TV Antenna Pre-Amplifier Built-In LTE Filter 17-30Db Gain Compatible with Non-Amplified TV Antennas, Increases Signal Strength, Indoor/Outdoor. Boosts Weak Signals When Properly Installed - Compatible with all indoor and outdoor passive (non-amplified) TV antennas, this amplifier improves signal strength and quality when low signal is the actual issue.
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