The easy way to figure the USART settings is to use Mister E's PicMultiCalc
http://www.picbasic.co.uk/forum/showthread.php?t=4994

It gives
Code:
 
RCSTA = $90 ' Enable serial port & continuous receive
TXSTA = $24 ' Enable transmit, BRGH = 1
SPBRG = 25  ' 9600 Baud @ 4MHz, 0.16%
But even changing the baud I still think you will need an inverter.