The FLM0910-12F from Sumitomo Electric Device Innovations is a RF Transistor with Frequency 9.5 to 10.5 GHz, Power 39.5 to 40.5 dBm, Power(W) 8.91 to 11.22 W, P1dB 39.5 to 40.5 dBm, Power Gain (Gp) 6 to 7 dB. Tags: Flanged. More details for FLM0910-12F can be seen below.