Let's do it safe let's choose 2400 Bauds

DEFINE HSER_TXSTA 24h
DEFINE HSER_RCSTA 90h
DEFINE HSER_SPBRG 103

and then if it's working :

@ 9600 bauds

DEFINE HSER_TXSTA 24h
DEFINE HSER_RCSTA 90h
DEFINE HSER_SPBRG 25

@ 19200 bauds(not sure with internal osc)

DEFINE HSER_TXSTA 24h
DEFINE HSER_RCSTA 90h
DEFINE HSER_SPBRG 12