The ALLNET ANT-ADP-NM-SMAM is an antenna adapter for connecting equipment with an SMA interface to equipment with an N-Type interface. It is listed as a Wireless LAN antenna adapter.
Both ends are male connectors: SMA on one side and N-Type on the other. This makes the adapter useful when the connected antenna equipment has these corresponding connector types.
The product is identified by manufacturer part number ANT-ADP-NM-SMAM.