The CCNTFSMAF is a coaxial RF adapter (Inter-series Adapter) featuring an N-Female interface on one side and an SMA-Female interface on the other. Its technical function is to interconnect different connector series (specifically N-Male and SMA-Male).

The adapter maintains a characteristic impedance of 50 Ohms. It is commonly utilized in test equipment, antenna systems, and Wi-Fi hardware to ensure compatibility between different interfaces.