242123 is an SMA female to BNC female adapter designed to connect RF components with different connector types while maintaining signal integrity. The adapter features a 1/4-36UNS-2A threaded interface and compact dimensions of 21.34 mm length, 10.72 mm width, and 12.00 mm height, enabling seamless integration into RF systems. This adapter is commonly used in test equipment, communication systems, and laboratory setups where conversion between SMA and BNC connectors is required, providing reliable impedance matching and minimal signal loss for RF applications.