ATTR{idVendor}=="1d50", ATTR{idProduct}=="604b", SYMLINK+="hackrf-jawbreaker-%k", MODE="660",   GROUP="plugdev"
ATTR{idVendor}=="1d50", ATTR{idProduct}=="6089", SYMLINK+="hackrf-one-%k", MODE="660", GROUP="plugdev"
ATTR{idVendor}=="1fc9", ATTR{idProduct}=="000c", SYMLINK+="hackrf-dfu-%k", MODE="660", GROUP="plugdev"

> udevadm control --reload-rules
> groupadd plugdev
> newgrp plugdev

# replug device and test if S/N is readable
> hackrf_info