The AG3352 GNSS engine in the RYS352A ships at 115200 8N1 per the datasheet spec table. 9600 was a generic assumption that would cause the UART to read garbage and never acquire a fix.
The AG3352 GNSS engine in the RYS352A ships at 115200 8N1 per the datasheet spec table. 9600 was a generic assumption that would cause the UART to read garbage and never acquire a fix.