The AW-781 Narco Antenna Coupler is a reliable and high-quality product manufactured in Japan by Narco. This coupler is designed specifically for aircraft and airplanes, ensuring compatibility with Narco products. While it does not come with a warranty, it is built to withstand the demands of aviation applications. With a strong reputation for excellence and durability, the AW-781 Narco Antenna Coupler is a crucial component for maintaining communication and navigation systems in aircraft.