SIEYIO SGQ-450D UHF 400-470MHz Wideband Multiple-Channel Duplexer 50W (455/465MHz Preset) - N Female

The SIEYIO SGQ-450D duplexer arrives factory-set with a low frequency of 455MHz and a high frequency of 465MHz, fitted with N female connectors for immediate use when assembling repeaters. It covers the 400-470MHz UHF range and can be fine-tuned by the user with the appropriate tool. Built for higher power operation (50W), this wideband duplexer delivers reliable signal transmission and extended coverage while maintaining stable audio and RF quality. Featuring duplexer capability and N type female connectors, it’s a practical choice for professional radio engineers, technicians, and radio hobbyists constructing or upgrading repeater systems.