hcitool

Monitor, configure connections, and send special commands to Bluetooth devices. More information: https://manned.org/hcitool.

• Scan for Bluetooth devices:
  hcitool scan
• Output the name of a device, returning its MAC address:
  hcitool name {{bdaddr}}
• Fetch information about a remote Bluetooth device:
  hcitool info {{bdaddr}}
• Check the link quality to a Bluetooth device:
  hcitool lq {{bdaddr}}
• Modify the transmit power level:
  hcitool tpl {{bdaddr}} {{0|1}}
• Display the link policy:
  hcitool lp
• Request authentication with a specific device:
  hcitool auth {{bdaddr}}
• Display local devices:
  hcitool dev