Everything needed to connect the antenna to your converter or television is in the box. A full line of mounts and extension masts are available to fine-tune the installation. The 3019 antenna is designed for the mobile lifestyle and can be used on marine vessels, RVs, pop-up campers and more! Watch your favorite sports, sitcoms, reality TV, crime dramas, local news, weather, kids programming and more for FREE and in 1080 HD!Recieves ALL local HD broadcast signals. AC, DC and USB power adapter. Best suited for areas up to 75 Miles from Broadcast Towers. Frequency Range: VHF:47-230MHz;UHF: 470-862MHz. Power Supply: DC 12V, AC 110v. Shakespeare SeaWatch® 19 Marine TV Antenna - 12VDC - 110VAC.