| Subject | Spanish | English |
| commun. | interfaz aérea | radio interface |
| commun. | interfaz aérea | air interface |
| commun. | interfaz aérea real | true air interface |
| commun. | interfuncionamiento de la interfaz aérea | air interface interworking |
| commun. | intervalo de tráfico por interfaz aérea | air traffic slot |
| comp., MS | protocolo de interfaz aérea | air interface protocol (A protocol that defines the mechanism for communication between an antenna and an RFID tag) |
| gen. | tasa de usuario del interfaz aéreo | air interface user rate |