[. . . ] These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. [. . . ] There are two ways to connect the antenna to the TV: · connect the antenna to a digital tuner. If the signal strength is good enough, the channels can be memorized in the tuner automatically . Ensure the signal strength is good enough before you install the channels with the tuner. Where should I place the antenna in order to get the best reception possible?Choose a location near a window which gives the antenna a clear view of the transmitter. How do I know how much gain (amplification) is required to receive a clear picture?Once you have the VHF dipoles extended to the longest length, turn on the amplifier. In some case, you need to turn the amplifier down to receive a clearer picture. Yes, this antenna can receive analogue television broadcasts in the UHF and VHF bandwidths. Yes, this antenna is designed to receive ATSC and HDTV broadcasts in the UHF & VHF bandwidths. Can the antenna be powered by a DC power supply in a boat, RV or camper?Limited One-Year Warranty Philips warrants that this product shall be free from defects in material, workmanship and assembly, under normal use, in accordance with the specifications and warnings, for one year from the date of your purchase of this product. [. . . ] VHF (Very high frequency) In radio or TV broadcasting: it is the frequency range of electromagnetic waves which lies between 30 MHz and 300 MHz. HDTV (High-Definition Television) It is a digital television broadcasting system with higher resolution than traditional television systems (standard-definition TV, or SDTV). [. . . ]