The NJU1206MER from Nisshinbo Micro Devices Inc. is a RF Switch with Frequency 0.2 to 3 GHz, Insertion Loss 0.30 to 0.65 dB, Isolation 23 to 40 dB, P1dB 34 dBm, P1dB 2.51 W. Tags: Surface Mount, Solid State. More details for NJU1206MER can be seen below.