The proprietary %XRFTEST command can be used to test the nRF91x1 receiver. The command enables the RF receiver and measures signal power at the System in Package (SiP) antenna port with a time domain power meter and returns the measurement result and headroom. v2.2.x
The %XRFTEST command allows starting RF to a desired frequency to test, debug, and verify configurations that depend on RF frequency, such as %XMAGPIO and %XMIPIRFFECTRL.