The SLM5868-25F from Sumitomo Electric Device Innovations is a RF Transistor with Frequency 5.85 to 6.75 GHz, Power 43 to 44 dBm, Power(W) 19.95 to 25.12 W, P1dB 43 to 44 dBm, Power Gain (Gp) 8 to 9 dB. Tags: Flanged. More details for SLM5868-25F can be seen below.