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RF Multiplexers
FAQ
An RF multiplexer is a passive RF device that combines or separates multiple frequency bands while allowing several RF systems to share a common antenna or transmission path. Depending on the number of channels, RF multiplexers include diplexers, duplexers, triplexers, quadplexers, and other custom multi-band multiplexers. They are widely used in wireless communication, radar, satellite communication, DAS, UAV, and military RF systems.
A duplexer is primarily designed for simultaneous transmit and receive operation with high TX/RX isolation. A diplexer combines or separates two different frequency bands regardless of signal direction. A multiplexer is a broader category that includes diplexers, triplexers, quadplexers, and custom multi-band RF combining networks for shared antenna applications.
RF multiplexers enable multiple communication channels to share one antenna, reducing antenna quantity, feeder cables, installation costs, and tower loading. They also improve spectrum utilization while maintaining high isolation between frequency bands, making them essential for modern RF communication systems.
RF multiplexers are widely used in wireless base stations, RF repeaters, distributed antenna systems (DAS), satellite communication, radar systems, tactical radios, UAV communication, public safety networks, industrial RF equipment, and test & measurement systems.
Yusntech offers a wide range of RF multiplexers including diplexers, duplexers, triplexers, quadplexers, and custom cavity multiplexers. Products are available in VHF, UHF, L-band, S-band, C-band, and other microwave frequency ranges to meet various communication and RF integration requirements.
Important selection criteria include operating frequency, number of channels, insertion loss, isolation, return loss, power handling, connector type, mechanical dimensions, and environmental requirements. Choosing the correct RF multiplexer helps maximize system efficiency and minimize signal interference.
High isolation prevents unwanted signal leakage between channels, reducing receiver desensitization, intermodulation, and RF interference. High-isolation cavity multiplexers are especially important for repeater systems, wireless infrastructure, radar, and shared antenna communication networks.
Yes. Depending on the design, RF multiplexers can support power levels ranging from a few watts to hundreds of watts. Cavity multiplexers are commonly selected for high-power RF systems because they provide excellent thermal stability, low insertion loss, and reliable long-term performance.
Yes. Yusntech provides custom RF multiplexer solutions based on customer frequency plans, bandwidth, insertion loss, isolation, connector type, power handling, mechanical size, and environmental requirements. OEM and ODM services are available for communication equipment manufacturers and RF system integrators.
Yusntech RF multiplexers cover VHF, UHF, L-band, S-band, C-band, and other custom microwave frequencies. Multi-band frequency combinations are available for commercial, industrial, and defense communication systems.
Common connector options include SMA, N-Type, TNC, DIN, and other customized RF connectors. Connector selection depends on frequency range, power rating, installation requirements, and customer specifications.
Cavity RF multiplexers offer low insertion loss, high isolation, excellent selectivity, high power handling, and stable performance over a wide temperature range. They are widely used in professional RF communication systems where long-term reliability and signal integrity are critical.
Simply provide your operating frequencies, channel configuration, insertion loss, isolation, power level, connector preference, and dimensional requirements. Yusntech's engineering team can develop a customized RF multiplexer solution tailored to your application and project needs.
Every RF multiplexer is manufactured using precision machining and tested with professional RF measurement equipment to verify insertion loss, return loss, isolation, and other key electrical specifications before shipment, ensuring reliable performance in demanding RF applications.
Yusntech specializes in high-performance RF passive components with strong customization capabilities, fast engineering support, and flexible OEM/ODM services. Whether you need a standard diplexer or a fully customized multi-band RF multiplexer, we provide reliable solutions for wireless communication, radar, satellite, UAV, industrial RF, and other mission-critical applications.