This Garmin GTX 330 is a top-of-the-line transponder designed for aviation enthusiasts who demand the best technology. With its advanced features and user-friendly interface, this unit is perfect for pilots who want to stay safe and in compliance with FAA regulations. The GTX 330 is made by Garmin, a trusted brand in aviation technology. It was manufactured in the United States and weighs between 11-33 pounds. While this unit does not come with a warranty, it is built to last and will provide many years of reliable service. If you are looking for a powerful and reliable transponder for your aircraft, the Garmin GTX 330 is an excellent choice.