The NJG1649HB6 from Nisshinbo Micro Devices Inc. is a RF Switch with Frequency 0.05 to 3 GHz, Insertion Loss 0.35 to 0.60 dB, Isolation 17 to 27 dB, P1dB 29 dBm, P1dB 0.79 W. Tags: Surface Mount, Solid State. More details for NJG1649HB6 can be seen below.