golang-github-bettercap-gatt-dev 0.0~git20210514.df6e615-1 (amd64 binary) in ubuntu oracular

 This package provides a Bluetooth Low Energy GATT implementation.
 Gatt (Generic Attribute Profile) is the protocol used to write BLE
 peripherals (servers) and centrals (clients).
 .
 As a peripheral, you can create services, characteristics, and
 descriptors, advertise, accept connections, and handle requests.
 .
 As a central, you can scan, connect, discover services, and make
 requests.