The NJG1512HD3 from Nisshinbo Micro Devices Inc. is a RF Switch with Frequency 0.001 to 3 GHz, Insertion Loss 0.6 to 1.2 dB, Isolation 41 to 44 dB, P1dB 20 dBm, P1dB 0.1 W. Tags: Surface Mount, Solid State. More details for NJG1512HD3 can be seen below.