Does the last sentence mean that a LimeSDR Mini can be directly connected to the USB 3 ports on a Pi 4 without needing a powered hub?
Thanks and 73Whilst the LimeSDR could be plugged directly in to the RPi, both the Mini and the USB versions have a greater power consumption than the RPi can comfortably power from its USB Port. Therefore, it is recommended that a powered USB 2 Hub be connected to the RPi, and the LimeSDR be plugged into one of the ports on the hub. Note that some narrow-band applications of the LimeSDR might require USB 3, but USB 3 ports have enough power to supply a LimeSDR Mini, so do not require a hub.
Ray M0DHP