need S parameter file for I/P & O/P impedance matching. designed for 350-520 MHz , 2W o/p but gets tuned to 320-400 MHz.
S-parameters for AFT05MS004NT1 can be found on the WEB
AFT05MS004N|4 W CW, 136-941 MHz , 7.5 V|NXP
Have a great day,Andrei