Amphenol RF Coaxial Connectors (RF) - Adapters 31-208 are designed to provide a reliable connection between a plug and a jack. These adapters are constructed with a BNC connector and RG58 cable, making them ideal for a variety of applications. The connectors feature a nickel-plated brass body and gold-plated center contact for superior electrical performance. The adapters are designed to provide a secure connection and are rated for up to 500V. They are also RoHS compliant and UL listed for safety and reliability. With their robust construction and reliable performance, Amphenol RF Coaxial Connectors (RF) - Adapters 31-208 are the perfect choice for any application requiring a secure connection between a plug and a jack.