The SGK1011-25A from Sumitomo Electric Device Innovations is a RF Transistor with Frequency 10.7 to 11.7 GHz, Power 43 to 44 dBm, Power(W) 19.95 to 25.12 W, Gain 9 to 10 dB, Power Added Effeciency 0.33. Tags: Flanged. More details for SGK1011-25A can be seen below.