The baud rate should be set to match your radio. It has nothing to do with the actual speed of your transfers and must be correct for proper operation. Below is a list of radio models and associated baud rates:
Model | Rate |
IC-2200H | 9600 |
IC-2820H | 9600 |
ID-800H | 9600 |
ID-880H | 9600 |
IC-V82 | 9600 |
IC-U82 | 9600 |
IC-91AD | 38400 |
IC-92AD | 38400 |
ID-1 | 19200 |