Not getting RKI-5518 nano radar data

ArduCopter Copter 4.5
1

“I am not getting the nano radar data.” Model: RKI-5518 Obstacle All Direction FMCW Nano Radar Sensor UART for Pixhawk.
I shared a modal link, so please help me with the parameters.

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mail pdf.pdf (321.4 KB)
Refer this

3

Hey brother, I already tried these parameters, but they didn’t work. Are there any other parameters I can try?

4

Hey brother, do you have a radar?