https://greatscottgadgets.com/ubertoothone/ 
https://github.com/greatscottgadgets/ubertooth 
dpavlin@nuc:~$ lsusb -d 1d50:6002
Bus 002 Device 015: ID 1d50:6002 OpenMoko, Inc. Ubertooth One

install
https://github.com/greatscottgadgets/ubertooth/wiki/Build‑Guide 
dpavlin@nuc:~$ sudo apt install ubertooth

dpavlin@nuc:~$ sudo ubertooth-util -vV
Firmware version: 2012-10-R1 (API:1.00)
control message unsupported
error: -9

very old firmware, let's upgrade it
dpavlin@nuc:~$ sudo ubertooth-dfu -d /usr/share/ubertooth/firmware/bluetooth_rxtx.dfu -r
libUSB Error: Input/Output Error:  (-1)
Switching to DFU mode...
Checking firmware signature
........................................
........................................
........................................

libUSB Error: Input/Output Error:  (-1

reset failed, plugin out, plug in
dpavlin@nuc:~$ sudo ubertooth-util -vV
Firmware version: 2018-12-R1 (API:1.06)
ubertooth 2018-12-R1 (user@localhost)

usage
dpavlin@nuc:~$ ubertooth-specan-ui