Pasternack Enterprises QMA adapters category has 2 important parts, including RoHS and REACH. It has compliance with both parts. The QMA adapters have 50 Ohm impedance and it is an important part of the complete product line of the Pasternack. The QMA adapters provide an interface for the QMA connectors with N and SMA connectors. The adapters offer both male to female and female to male gender variations.