The LDX-225/248-2S from ChengDu Leader Microwave Technology is a Helical Duplexer that operates from 225 to 242 MHz (Rx) and 248 to 270 MHz (Tx). It can handle an input power of up to 10 W, has an insertion loss of less than 2.5 dB, and provides more than 50 dB of rejection. This duplexer is available in a module that measures 140 x 90 x 37 mm with SMA-female connectors and is suitable for use in aviation and navigation applications including electronic countermeasure, remote sensing, telemetry, and broadcasting station, radar, satellite carrier, and depot-ship carrier.