The HMC253AQS24 from Analog Devices is a RF Switch with Frequency DC to 2.5 GHz, Insertion Loss 1.0 to 2.1 dB, Isolation 28 to 40 dB, P1dB 20 to 23 dBm, P1dB 0.1 to 0.199 W. Tags: Surface Mount, Solid State. More details for HMC253AQS24 can be seen below.