The AMPHENOL RF part 901-9990 is a high-quality RF Connector, specifically designed for SMA Straight Crimp Jack for RG-178 cables. This connector offers a reverse polarity bulkhead configuration, making it suitable for various RF applications. With its 50 Ohm impedance, it ensures reliable signal transmission and low attenuation. Ideal for professional use, the AMPHENOL RF part 901-9990 is known for its excellent durability and efficient performance.