Antop Preamplifier,Pro Outdoor VHF/UHF Amplifier with Separate VHF/UHF 0-15dB Gain Adjustment,Signal Booster for Non-Amplified Antenna,SBS-611B

[Adjustable for UHF & VHF Reception]--This amplifier is equipped with two separate switches for independently adjustable VHF & UHF reception performance, depending on your location
[Resistant Design for Outdoor]--We uniquely designed a waterproof shell for this product, and added a special coating, which can withstand wind and sun well, while effectively blocking the entry of rainwater
[Unique signal shielding shell]--built-in noise-cancelling metal shell, professionally designed and tested,noise figure less than 2dB
[Cautions]--This amplifier is only for use with non-amplified antennas, but is not recommended for use with antennas with built-in amplifier. Too much amplification can cause signal interference. The effect of signal boosting depends on your location with the tower and surrounding obstacles
[Local 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 .

Antop HD Smart Boost Pro Outdoor VHF/UHF Preamplifier* with Separate VHF/UHF 0-15dB Gain Adjustment

Hello,