The FLC257MH-6 from Sumitomo Electric Device Innovations is a RF Transistor with Frequency 6.4 GHz, Power 32.5 to 34 dBm, Power(W) 1.78 to 2.51 W, P1dB 32.5 to 34 dBm, Power Gain (Gp) 8 to 9 dB. Tags: Flanged. More details for FLC257MH-6 can be seen below.