9. Bluetooth Radio Communications
9.1. Bluetooth Radio Power
The CR2700 readers use Class 2 Bluetooth Radio. Its power output level in the reader is set
to 0 dBm by default but can be configured to lower or higher maximum levels. The default
power output level of the Bluetooth radio on the CRA-A271 charger is -8 dBm and also can
be adjusted. Reducing radio power output will restrict data transmission range. Refer to
CCD for commands to change radio power level or contact Code Support.
9.2. Bluetooth Auto-Reconnect
The CR2700 attempts to reconnect automatically when a connection is lost (for example,
when the reader is moved out of range, loss of battery power, rebooting, or Bluetooth
charging station or host powering down). This auto-reconnect feature is enabled by default
but can be disabled. Default time out for auto-reconnect attempt is 5 minutes but can be
configured for different durations.
9.3. Bluetooth Security
By default, Bluetooth Low Energy communication in the CR2700 is AES-128 encrypted. For
enhanced security requirements, please contact Code Support.
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