The EGN35C030MK from Sumitomo Electric Device Innovations is a RF Transistor with Frequency 3.5 GHz, Power 42 dBm, Power(W) 15.85 W, Saturated Power 44 to 45 dBm, Power Gain (Gp) 15.5 to 16.5 dB. Tags: Flanged. More details for EGN35C030MK can be seen below.