The ELM5964-16F from Sumitomo Electric Device Innovations is a RF Transistor with Frequency 5.9 to 6.4 GHz, Power 41.5 to 42.5 dBm, Power(W) 14.13 to 17.78 W, P1dB 41.5 to 42.5 dBm, Power Gain (Gp) 9 to 10 dB. Tags: Flanged. More details for ELM5964-16F can be seen below.