The NJG1697EM1 from Nisshinbo Micro Devices Inc. is a RF Switch with Frequency 0.5 to 3 GHz, Insertion Loss 0.45 to 0.75 dB, Isolation 40 to 50 dB, P1dB 21 dBm, P1dB 0.12 W. Tags: Surface Mount, Solid State. More details for NJG1697EM1 can be seen below.