This is a complete Sensar IV antenna with lift assembly and is HD ready. The VHF/UHF/Digital amplified HD antenna with integrated Wingman gives you ultimate reception in all markets. It has an unsurpassed range of up to 55 miles and excels at UHF channels as well as receiving those hard to get VHF digital channels. This antenna is for stationary use only and requires a minimum of 16 inch from the boom to the edge of vehicle or nearest obstruction. It is powder coated for long lasting durability in harsh environmental conditions. Dimensions: 46.25 inch W x 15.25 inch D x 4 inch H stowed and 40 inch H raised.