This Garmin GTX 33 remote mount Mode S transponder is a great addition to any avionics setup. It is compatible with a variety of makes and models, making it a versatile choice for any pilot. The manufacturer part number is 011-00779-10. Serial Number 89101896  This transponder is designed for use in aviation and comes from the trusted brand Garmin. It is perfect for those looking for a reliable and high-quality option to enhance their avionics setup. Whether you are a professional pilot or just starting out, this transponder is a great choice.