The AMPHENOL RF part 925-166A-51S is a high-quality SMA Jack Bulkhead RF Connector. It features a rugged construction with a nickel-plated brass body, gold-plated contacts, and a Teflon insulator, ensuring excellent performance and durability in various RF applications. The SMA Jack Bulkhead design allows for easy installation and reliable connections in panel-mounted applications. With a frequency range of DC to 18 GHz, this RF connector is perfect for use in wireless communication systems, antennas, test and measurement equipment, and other high-frequency applications.