The CCNTMSMAF is a coaxial RF adapter (Inter-series Adapter) featuring an N-Male interface on one side and an SMA-Female interface on the other. Its technical function is to interconnect different connector series (specifically N-Female and SMA-Male).
The adapter maintains a characteristic impedance of 50 Ohms. It is commonly utilized to connect handheld radios or test equipment to external antenna systems terminated with N-type connectors.