Sena Bluetooth SMH10 v5.0 User's Guide - Manual (Page 15)

SMH10
16
The incoming audio from the two-way radio via SR10 is heard in
the background while having an intercom conversation or a mobile
phone call. You can listen to music, answer a mobile call, have an
intercom conversation and use a two-way radio via SR10 for group
communication as shown in the figure below. A GPS navigation or
a radar detector could be connected to the SR10 by wire. The GPS
voice instruction or the radar detector alarm is also heard in the
background via SR10 while having an intercom conversation or a
phone call. Please refer to the SR10 user's guide for details.
Smart Phone
Two-way Radio
SMH10
GPS
Sena SR10
Radar Detector
HFP
+
A2DP
Mobile Phone
Pairing
Multipoint
Pairing
HFP
Wired
Connection
Wired
Connection
Wired
Connection
Parallel Connection of SR10 and Mobile Phone by
Bluetooth Multipoint Pairing