2FSK baud rate 2400 problem

Sub-GHz
#1

Hi,
I would like to clone a remote control with a very particular frequency:
The characteristics of the TX:
frequency: 869203500
modulation: 2-FSK
dev: 3Khz
baud rate : 2400
fixed transmitted packets: 14 bytes
machester encoder

The code does not change and is made up of 5 preamble bytes 0xAA and the remaining code

I added the following settings to the “setting_user”:
Frequency: 869203500

Custom TX001c

Custom_preset_name: TX001c
Custom_preset_module: CC1101
Custom_preset_data: 02 0D 0B 06 08 10 07 04 06 0E 14 00 13 22 12 0C 11 80 10 16 15 07 18 18 19 16 1D 91 1C 00 1B 07 20 FB 22 10 21 56 00 00 C2 00 00 00 00 00 00 00

sending image of the Original signal acquired with an instrument

TX_original
TX_original1542×163 72 KB

Now when I acquire and transmit the signal with the flipper I have a different signal, but the baud rate corresponds, it seems that the flipper samples badly:

2
21603×231 118 KB

As you can see, the white is original, the green is the flipper that replicates the signal, it is not the same

Why?

#2

Check https://www.ti.com/lit/ds/symlink/cc1101.pdf

Seems like a bit to much for the CC1101

#3

write Read raw with your preset, and display it on the viewer in Flipper net. and check what the flipper actually recorded, mainly compare the timings. I think you created the preset for your system incorrectly (I think the deviation parameter was set incorrectly)