Brand: Antennas Direct. MPN: PA18. Based in St. Louis, MO., Antennas Direct is dedicated to providing superior digital antennas and accessories engineered in the USA   Each market has TV towers located in different areas; Distance to the towers and obstructions like trees and your home’s building materials will affect reception   Includes PA18 UHF / VHF Preamplifier, low-loss power inserter, two 36" weather-proof, high-performance coaxial cables, 12V DC power supply, zip tie, installation instructions; 90-day manufacturer warranty   UHF / VHF Preamplifier measures 3.43" L x 3.9" W x 1.7" D and features 1.8 dB noise figure, 75 Ohm F-connector input / output; All-weather plastic enclosure protects from corrosion   PA18 TV antenna preamplifier should be mast-mounted close to antenna to boost signal before it passes through coaxial cable between antenna and TV or converter box   Antennas Direct PA18 UHF / VHF Preamplifier - Provides clean, consistent signal performance in rural areas for reliable reception and picture quality; For installations using 100+ ft. of coaxial cable, use of splitters, or weak signals from TV towers