Duplexer 400 MHz

The 503-0038 Duplexer operates across 410-414 MHz and 421-423 MHz frequency bands, delivering exceptional signal isolation and minimal insertion loss of ≤2.5dB maximum. Engineered with robust SMA-KF connectors and supporting up to 20W power handling, this duplexer ensures reliable performance in demanding wireless infrastructure applications. The compact 170mm×55mm×58mm design facilitates easy integration into space-constrained installations, while the extended operating temperature range of -25°C to +55°C guarantees consistent functionality across diverse environmental conditions. With superior VSWR performance of ≤1.3, this duplexer optimizes signal quality for cellular base stations, repeater systems, and distributed antenna networks, making it an essential component for telecommunications professionals seeking to enhance mobile system performance and coverage reliability.