1、This adapter is suitable for antennas, DAB antenna adapters, coaxial cables, radio scanners, radio transceivers, CB radios, and amateur radios. 2、The connection part is made of nickel-plated brass,, anti-corrosion, more durable. 3、Rigorous plug-in test, the service life of the product can reach 1000 times. 4、Perfect interface matching, stable connection and signal stability. 5、50Ω impedance, suitable for most wires. Features: This adapter is suitable for antennas, DAB antenna adapters, coaxial cables, radio scanners, radio transceivers, CB radios, and amateur radios. The connection part is made of nickel-plated brass,, anti-corrosion, more durable. Perfect interface matching, stable connection and signal stability. 50Ω impedance, suitable for most wires. Specification: Material of connection: Nickel-plated brass Durability: 1000 times Impedance: 50Ω Connector Types: MCX male to SMA female, MCX female to SMA male, MCX female to SMA female, MCX male to SMA male Weight: Approx. 17g Package list: 4 * MCX to SMA Adapter Connector Note: 1. The actual product color may deviate from the photo due to light. 2. There may be a slight deviation in the measurement of product.