Alpine SPS-406 4x6" Coaxial 2-Way Speaker Set Before you buy Please check out what channels are available in your area via "ANTOP SIGNAL MAPS" and choose the right antenna for you. Enhanced VHF Reception Adopts detachable Rod for enhance VHF signal reception, Assuring you get more channel reception and less blind spots, like CBS, Fox, The CW, and . UNIQUE TECHNICAL DESIGN Exclusive Smart pass Amplifier technology allows switch On & Off to get Long & Short Range Reception. UV COATING & WEATHER RESISTANT Fit home exterior installation: wall, roof, balcony. Also fit indoor use: attic & table top. High Quality Customer Service ANTOP On-Line Customer Support Team available Mon-Fri 9am to 5pm (past) offering ANTOP Antenna selection guide and installation assistance service. All ANTOP Antenna products come with 30-day money back guarantee.