The NJG1690MD7 from Nisshinbo Micro Devices Inc. is a RF Switch with Frequency 0.05 to 3 GHz, Insertion Loss 0.30 to 0.65 dB, Isolation 18 to 37 dB, P1dB 24 dBm, P1dB 0.25 W. Tags: Surface Mount, Solid State. More details for NJG1690MD7 can be seen below.