The NJG1683ME7 from Nisshinbo Micro Devices Inc. is a RF Switch with Frequency 0.05 to 3 GHz, Insertion Loss 0.35 to 0.85 dB, Isolation 15 to 31 dB, P1dB 23 dBm, P1dB 0.2 W. Tags: Surface Mount, Solid State. More details for NJG1683ME7 can be seen below.