This is a used Radio Shack UHF Satellite Coaxial Inline Amplifier. It is designed to boost signal strength for UHF television or satellite antenna systems connected via coaxial cable. The inline amplifier can help improve reception in setups where signal loss may occur due to long cable runs or weak incoming broadcast signals. It is a suitable purchase for someone troubleshooting a fuzzy or weak TV signal, or for extending a coaxial cable line while maintaining signal quality. Please note that this item is sold in used condition. Shipping is free for this listing. For precise specifications, compatibility with your current equipment, or any included accessories, please check the full listing details. Radio-Shack UHF Satellite Coaxial Inline Amplifier. Condition: Used. Listed at 48.00 USD. 20db Coaxial Inline Amplifier Frequency range: 430-1450 MhzCat.15-1115B Includes:18V Power Supply (Original)-Coaxial UHF In-Line Amplifier with DC Block adapter. Let me know if you have any questions, I'll be happy to answer them before you make your purchase!. All sales are FINAL! Returns are NOT accepted.*Shipping ONLY to USA destinations*