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- Phone：+86 17702828378
- WeChat：+86 17702828378
- WA：+86 17702828378
- Mail：sales@yusntech.com
- Address：Room 3, Floor 1, Building 13, No. 69, East Section of Hangkong Road, Dongsheng Subdistrict, Shuangliu District, Chengdu City, Sichuan Province.
Multiplexers
Yusntech Inc. provides high-performance RF multiplexers including triplexers, quadplexers, and custom multi-band combining networks for shared antenna systems. Designed for wireless communication, DAS, radar, UAV, and repeater applications, our cavity multiplexers offer low insertion loss, high isolation, compact size, and reliable power handling across VHF, UHF, L-band, S-band, C-band, and custom RF frequency ranges. OEM and custom frequency solutions are available for demanding RF systems.
Features
High Isolation up to 70 dB
Low Insertion Loss & Low VSWR
Multi-Band Shared Antenna Design
High Power Handling up to 100W
Custom Frequency & Connector Options
Applications
- Wireless Communication Systems
- DAS & Shared Antenna Networks
- Radar and UAV Communication
- RF Repeaters & Base Stations
- Tactical Radio & Industrial RF
Model↑↓ | Freq. (GHz) | IL. (dB Max) | Return Loss (dB Min) | Isolation (dB Min) | Power (W) | Conn. | Inquiry |
|---|---|---|---|---|---|---|---|
| YSQPLX20-R38-R425-S | 0.38-0.3850.39-0.3950.41-0.4150.42-0.425 | 2.5 | 15 | ≥40 | 20 | SMA | Inquiry |
| YSQPLX20-R791-2R69-S | 0.791-0.8211.805-1.882.11-2.172.62-2.69 | 1.0 | 18 | ≥70 | 20 | SMA | Inquiry |
| YSTPLX20-1R6-4R89-S | 1.6-1.633.2-3.264.8-4.89 | 1.0 | 18 | ≥50 | 20 | SMA | Inquiry |
| YSTPLX20-1R66-5R07-S | 1.66-1.693.32-3.384.98-5.07 | 1.0 | 18 | ≥50 | 20 | SMA | Inquiry |
| YSTPLX20-1R71-5R355-S | 1.71-1.7853.42-3.575.13-5.355 | 1.2 | 15 | ≥70 | 20 | SMA | Inquiry |
| YSTPLX20-1R85-5R73-S | 1.85-1.913.7-3.825.55-5.73 | 1.2 | 15 | ≥70 | 20 | SMA | Inquiry |
| YSTPLX20-1R95-6R15-S | 1.95-2.053.9-4.15.85-6.15 | 1.0 | 15 | ≥50 | 20 | SMA | Inquiry |
| YSTPLX20-2R485-7R755-S | 2.485-2.5854.97-5.177.455-7.755 | 1.0 | 18 | ≥70 | 20 | SMA | Inquiry |
| YSTPLX20-R7-2R25-S | 0.7-0.751.4-1.52.1-2.25 | 1.0 | 15 | ≥50 | 20 | SMA | Inquiry |
| YSTPLX20-R75-2R4-S | 0.75-0.81.5-1.62.25-2.4 | 1.0 | 15 | ≥50 | 20 | SMA | Inquiry |
| YSTPLX20-R824-2R547-S | 0.824-0.8491.648-1.6982.472-2.547 | 1.2 | 15 | ≥70 | 20 | SMA | Inquiry |
| YSTPLX20-R88-2R745-S-1 | 0.88-0.961.76-1.832.64-2.745 | 0.7 | 18 | ≥70 | 20 | SMA | Inquiry |
| YSTPLX20-R88-2R745-S-2 | 0.88-0.9151.76-1.832.64-2.745 | 1.2 | 15 | ≥70 | 20 | SMA | Inquiry |
| YSTPLX30-1R71-1R98-S | 1.71-1.7851.805-1.881.92-1.98 | 1.0 | 15 | ≥60 | 30 | SMA | Inquiry |
| YSTPLX30-R713-R843-S | 0.713-0.7230.758-0.7980.833-0.843 | 1.5 | 16 | ≥60 | 30 | SMA | Inquiry |
| YSQPLX40-1R745-2R17-S | 1.745-1.781.84-1.8751.92-1.982.11-2.17 | 1.5 | 14 | ≥60 | 40 | SMA | Inquiry |
| YSQPLX50-1R31-1R48-S | 1.31-1.331.36-1.381.41-1.431.46-1.48 | 1.0 | 15 | ≥60 | 50 | SMA | Inquiry |
| YSTPLX50-R35-R866-N | 0.35-0.370.806-0.8660.403-0.425 | 1.0 | 16 | ≥70 | 50 | N-Type | Inquiry |
| YSTPLX100-R88-2R745-S | 0.88-0.9151.76-1.832.64-2.745 | 0.5 | 18 | ≥60 | 100 | SMA | Inquiry |
FAQ
An RF multiplexer is a passive RF device designed to combine or separate multiple frequency bands through a shared antenna or RF path while maintaining high isolation between channels. RF multiplexers are widely used in wireless communication systems, DAS networks, radar platforms, UAV communication, repeater stations, satellite communication, and tactical radio systems. Common multiplexer types include diplexers, triplexers, quadplexers, and custom RF multiplexers for multi-band RF integration.
A duplexer usually supports one transmit band and one receive band for shared antenna operation, while an RF multiplexer supports multiple frequency bands and channels in a single RF network. Triplexers and quadplexers are commonly used when several RF systems must operate simultaneously without requiring multiple antennas. Multiplexers are ideal for reducing antenna count, saving installation space, and improving RF system integration.
A triplexer is a three-band RF multiplexer that combines or separates three independent frequency bands. Triplexers are widely used in shared antenna systems, DAS infrastructure, UAV communication systems, radar equipment, and multi-band wireless networks. High isolation RF triplexers help reduce interference between channels while maintaining low insertion loss and stable RF performance.
A quadplexer is a four-band RF multiplexer designed to combine four frequency channels into one shared antenna system. Quadplexers are commonly used in modern communication systems requiring multi-band RF integration, including military radio, repeater systems, wireless infrastructure, and industrial RF applications.
RF multiplexers allow multiple RF signals to share one antenna while maintaining channel isolation and low insertion loss. This reduces antenna installation costs, minimizes tower loading, simplifies cable routing, and improves overall RF system efficiency. Shared antenna multiplexers are widely used in base stations, repeater systems, DAS networks, and tactical communication platforms.
High isolation refers to the ability of an RF multiplexer to prevent signals from leaking between frequency channels. High isolation multiplexer designs help reduce intermodulation, receiver desensitization, and RF interference in multi-band wireless systems. Professional cavity multiplexers commonly provide isolation levels from 50 dB to 100 dB depending on system requirements.
RF multiplexers are available across VHF, UHF, L-band, S-band, C-band, and microwave frequencies. Yusntech Inc. provides custom cavity multiplexers, triplexers, quadplexers, and multi-band RF combining networks for various wireless communication and industrial RF applications.
Cavity multiplexers use high-Q resonator structures to achieve lower insertion loss, higher isolation, and higher power handling compared with LC multiplexers. Cavity RF multiplexers are commonly used in repeater systems, base stations, radar systems, and industrial RF applications where stable high-performance RF filtering is required.
Yes. Custom RF multiplexers are widely used because modern communication systems often require specific frequency combinations, power handling levels, connector types, compact dimensions, and high isolation performance. Custom cavity multiplexers and multi-band RF combining networks can be optimized for repeater systems, DAS installations, tactical radio, radar, and UAV communication applications.
Insertion loss is the amount of signal attenuation introduced by the RF multiplexer. Low insertion loss is important because it improves transmitter efficiency and receiver sensitivity. High-performance cavity multiplexers are designed to minimize RF power loss while maintaining excellent channel isolation.
RF multiplexers commonly use SMA, N-Type, DIN, TNC, and custom RF connectors depending on frequency range, power level, and installation environment. Connector selection is important for maintaining impedance matching and minimizing RF reflection in high-frequency communication systems.
Selecting the correct RF multiplexer depends on operating frequencies, number of channels, insertion loss, isolation, power handling, connector type, and available installation space. High isolation cavity multiplexers are recommended for professional wireless communication systems, repeater networks, DAS systems, and shared antenna RF infrastructure.
RF multiplexers are widely used in wireless communication, public safety radio, military communication, radar systems, UAV communication, satellite communication, industrial RF control systems, and distributed antenna systems. Multi-band RF multiplexers are increasingly important in modern communication infrastructure because they reduce antenna count and improve RF integration efficiency.
A shared antenna RF multiplexer is a device that allows multiple frequency bands or communication systems to operate through one antenna. Shared antenna multiplexer systems help reduce installation complexity, improve site efficiency, and lower infrastructure costs in repeater stations, DAS systems, radar installations, and tactical communication networks.
Yusntech Inc. offers high-performance RF multiplexers including triplexers, quadplexers, and custom multi-band cavity multiplexers with low insertion loss, high isolation, compact design, and custom frequency support. Our RF multiplexer solutions are suitable for wireless communication, repeater systems, DAS networks, radar, UAV, industrial RF, and tactical communication applications.