The S Band Cavity Diplexer from NIC has been designed for use in S band ground-based radars with its lower pass band from 2025 to 2120 MHz and its upper pass band from 2200 MHz to 2300 MHz. It has an insertion loss of 0.6 dB, an isolation of 60 dB and a VSWR of 1.3:1. It is available in custom designs up to K-band frequencies. The diplexer is available in a rugged modular design to withstanding harsh environmental conditions. It measures 6.0 x 1.5 x 3.0 inches and has SMA Female connectors.