The GNU Radio flow is always returning garbage

[averri]

I'm using the Hackrf and the GNU Radio flow is always returning garbage. regardless of the nrf_channel. I have tested using nrf_channel from 0 to 126. Even selecting a channel that has no transmissions, the result is similar, some garbage data.

The decoded data:

The GNU Radio flow, without the downconverter (because I'm using the Hackrf):

[usaidakram]

Hello, Were you able to resolve the issue? Was it a hardware specific issue? I am using Ettus b200 SDR but I am not getting the expected waveform at the receiver end.
Please let me know if you have any solution.