16QAM
16-state Quadrature Amplitude Modulation
64QAM
64-state Quadrature Amplitude Modulation
AAAM
Association for the Advancement of Automotive Medicine
AAM
Application Attachment Module
AAM
Automatic Acoustic Management
ABE
Allgemeine BetriebsErlaubnis
ACC
Adaptive Cruise Control
ACR
Amplified Common Rail