Product description: Choose the Right Antenna: Before your purchasing, please see carefully the website address to check how many broadcast towers and what available channels surrounding you within 50miles by visiting http://dtv.gov/maps. Then check your TV : 1. Our TV Antenna is a digital HDTV antenna that it only can receiving over-the-air broadcast and HD signals. 2. Analog TV or TV without HD tunner need a digital converter FIRST! If the digital TV antenna is not working as expected, plesae try the following tips: 1. Please make sure you have correctly connected the digital TV antenna to your HDTV or third-party HD receiver. 2. Re-scan for channels: In the TV's setup menu, set the mode to indoor TV antenna or air. Refer to the TV manual for detailed instructions. 3. Reposition the indoor TV antenna in a different location. It is suggested place it higher on a wall or closer to a window. Sometimes moving a few feet can make a difference. 4. Keep the TV antenna away from those big power consumption devices interference, such as air conditioner, refrigerator and microwave oven,etc. 5. This is an amplified HDTV antenna. If a signal cannot be received with the external amplifier, remove the amplifier and try again.