T2CON = %00000100
CCP1CON = %00001100
CCPR1L = 50
PR2 = x
@8MHz, x=
56 for +/- 34kHz
54 for +/- 36kHz
52 for +/- 38kHz
48 for +/- 40kHz
46 for +/- 42kHz

Frequencies shown here are not 100% accurate but for most IR receivers, they'll work well.