The NJG1648HB6 from Nisshinbo Micro Devices Inc. is a RF Switch with Frequency 0.1 to 3 GHz, Insertion Loss 0.20 to 0.60 dB, Isolation 13 to 26 dB, P1dB 23 dBm, P1dB 0.2 W. Tags: Surface Mount, Solid State. More details for NJG1648HB6 can be seen below.