| Subject | Portuguese | English |
| commun. | interface aérea verdadeira | true air interface |
| commun. | interface aéreo | radio interface |
| commun. | interface aéreo | air interface |
| commun. | interfuncionamento da interface aérea | air interface interworking |
| comp., MS, Braz. | protocolo de interface aérea | air interface protocol (A protocol that defines the mechanism for communication between an antenna and an RFID tag) |