1-Pin, Male SMA to 1-Pin, Male SMB Coaxial Adapter—The SMA-SMB Adapter connects RF wireless test devices and PXI modular instruments to other accessories. This model is sometimes referred to as the SMA Plug (Male) to SMB Jack (Male) Adapter. The SMA-SMB Adapter offers 50 ohm impedance and frequency measurements from 0 GHz to 4 GHz.