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2.14 Bluetooth
This section explains Bluetooth functions and specifications.
List of functions
Function The specification
Bluetooth Ver. 2.1
Master Yes
Slave Yes
Security/ encryption Yes
EDR Yes
Simultaneous connection to
multiple Bluetooth devices
Yes
AFH/FastConnection
Yes Auto
Module PowerClass 2
[Reference]
The signal output varies according to the equipped Bluetooth module.
Class is defined as follows in the Bluetooth standard.
Class Maximum
output value
Nominal
output value
Minimum
output value
1 20dBm N/A 0dBm
2 4dBm 0dBm -6dBm
3 0dBm N/A N/A
According to the Bluetooth standard, if the local device has a Class 1 module but the counterpart
devices have Class 2 or Class 3 modules, the signal output is automatically stepped down to the
counterpart device’s level.
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