The FLM1213-12F from Sumitomo Electric Device Innovations is a RF Transistor with Frequency 12.7 to 13.2 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) 4.5 to 5.5 dB. Tags: Flanged. More details for FLM1213-12F can be seen below.