hcitool
Monitor, configure connections, and send special commands to Bluetooth devices. tldr-pages
On Linux
Linux
Scan for Bluetooth devices
hcitool scanIdentifyOutput the name of a device, returning its MAC address
hcitool name bdaddrIdentifyFetch information about a remote Bluetooth device
hcitool info bdaddrIdentifyCheck the link quality to a Bluetooth device
hcitool lq bdaddrIdentifyModify the transmit power level
hcitool tpl bdaddr 0IdentifyDisplay the link policy
hcitool lpIdentifyRequest authentication with a specific device
hcitool auth bdaddrIdentifyDisplay local devices
hcitool devIdentify