onn Indoor/Outdoor Antenna Amplifier Signal Booster Boosts TV signal strength for clearer reception Supports HD, Full HD, and Ultra HD resolutions 3G/4G/LTE filter helps reduce interference Weather-resistant design for indoor or outdoor use Easy F-connector/coaxial installation What's in the Box? 1 Indoor/Outdoor Antenna Amplifier, 1 AC adapter, 1 Power insert, 2 Waterproof cases, 1 Quick Start Guide