The Nordic-proprietary %XMIPIRFFEDBG command can be used to directly
access registers on a MIPI RF Front-End Control Interface (RFFE)
device.pti_v1.1.x≥6
Note: The %XMIPIRFFEDBG command is for testing purposes only.
Note: The %XRFTEST command can be used to start nRF9160 to a frequency
configured with the %XMIPIRFFECTRL command. The
%XMIPIRFFEDBG command can be used to read the value from the MIPI RFFE
device register to verify that the configured value has been correctly written to the
register.