Help me select transistors for 200-400 MHz amplifier

I want to make about following parameters amplifier :
G 40dB
P1dB 44dBm
gangs 200-400MHz
Class AB

I need relating information:
- the influence of temperature on parameters the VDMOS, LDMOS.
- the selection of transistors (what firm ?)
- on what was one should be careful,

I found the solution firms polyfet, motorola, philips, macom.
Are yet some firm ?

thanks for information