The PE42542 is a HaRP™ technology-enhanced absorptive SP4T RF switch designed for use in test/ATE, microwave and other wireless applications. This broadband general purpose switch maintains excellent RF performance and linearity from 9 kHz through 18 GHz. The PE42542 exhibits low insertion loss, high isolation performance and has fast settling time. No blocking capacitors are required if DC voltage is not present on the RF ports.