The ELM5964-4PS from Sumitomo Electric Device Innovations is a RF Transistor with Frequency 5.9 to 6.4 GHz, Power 35 to 36 dBm, Power(W) 3.16 to 3.98 W, P1dB 35 to 36 dBm, Power Gain (Gp) 10 to 11.5 dB. Tags: Surface Mount. More details for ELM5964-4PS can be seen below.