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System and Network Diagram
System Interfaces
Component
Interface
Sound
Bluetooth
Processor
Data Transfer
Direction
Bidirectional
Communication Protocol
Bluetooth Classic: Hands-
Free Profile with
wideband speech option
v1.6
(SPP v1.2, RFCOMM
v1.2 over L2CAP)
Bluetooth Classic:
Advanced Audio
Distribution Profile v1.3
(AVDTP v1.3 over L2CAP)
Bluetooth Classic:
Audio/Video Remote
Security
Bluetooth Classic:
E0 encryption
Bluetooth LE: AES-
CCM 128
encryption
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