The NJG1801AKGC-A from Nisshinbo Micro Devices Inc. is a RF Switch with Frequency DC to 8.5 GHz, Insertion Loss 0.35 to 0.8 dB, Isolation 16 to 28 dB, P1dB 11 to 31 dBm, P1dB 0.01 to 1.26 W. Tags: Surface Mount, Solid State. More details for NJG1801AKGC-A can be seen below.