Point Of Attachment (PoA) definition in Computer Security terms:
Definition(s): A device that connects wireless stations to (usually wired) networks, and to each other, through wireless links. In this Recommendation, a Point of Attachment (PoA) is used as a media-independent generic term, e.g. it could describe an access point in IEEE 802.11 networks.
Source(s): NIST SP 800-120
reference: CSRC Glossary