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Public Safety RF Duplexer | 138–960MHz Cavity Combiner

The Public Safety RF Duplexer / Cavity Combiner supports multiple frequency bands including 138–520 MHz and 698–960 MHz, providing low-loss, high-rejection performance for public safety and professional communication networks.

  • Supports multiple frequency bands (138–520 MHz & 698–960 MHz)
  • High-rejection cavity design for clean signal transmission
  • Low insertion loss for efficient network performance
  • Durable and compact for field or base station deployment
  • Optimized for public safety and critical communication networks

Main Product Introduction

This Public Safety RF Duplexer / Cavity Combiner is designed to combine or separate RF signals across multiple bands while minimizing insertion loss and maximizing out-of-band rejection. Its robust cavity design ensures reliable operation even in challenging environments.

Ideal for public safety communication networks, DAS systems, repeaters, and base stations, the combiner delivers stable performance while supporting multiple frequency bands with low PIM and high isolation.

Why choose this product?

  • Multi-Band Support: Handles both VHF (138–520 MHz) and UHF (698–960 MHz)
  • High Isolation: Minimizes interference between bands
  • Low Insertion Loss: Preserves signal strength and system efficiency
  • Durable Construction: Reliable performance in field deployments
  • Professional Network Optimization: Suitable for public safety and mission-critical systems

Application Scenarios

  • Public safety communication networks
  • Distributed Antenna Systems (DAS)
  • Repeaters and base station installations
  • High-density wireless environments
  • Emergency and mission-critical communication systems

Electrical Specifications

RF Duplexer/Combiner Specifications (200W, Dual-band)
Product Name200W Duplexer
Frequency Band (MHz)138-520 MHz / 698-960 MHz
Power (W)200W
Insertion Loss (dB)≤0.5
Isolation (dB)≥45 dB
PIM3 (Passive Intermodulation)≥153 dBc @ 2*43 dBm
Impedance50 Ohm
ConnectorN Female
Operating Temp Range-25℃~+60℃
Storage temp range-50ºC~+85ºC
Relative Humidity5-95%
Packing1 pc in box

FAQ

Which frequency bands does this duplexer support?
It supports 138–520 MHz and 698–960 MHz.
What is the isolation between bands?
High isolation, ensuring minimal interference between frequency bands.
Is it suitable for public safety applications?
Yes, it is specifically designed for public safety and critical networks.
Can it be deployed outdoors?
Yes, its durable design allows for reliable field installation.
Does it maintain low insertion loss?
Yes, the cavity design minimizes insertion loss while ensuring signal integrity.

Reliable RF Solutions Backed by Expertise and Precision

Why Choose MS Telerf

At MS Telerf, we specialize in the design and manufacturing of high-performance RF passive components and antenna systems tailored for demanding communication environments. With decades of engineering experience, we are committed to delivering quality, innovation, and long-term reliability.

Engineering-Grade Quality

All our products undergo rigorous testing to ensure excellent VSWR, low insertion loss, and long service life—even in complex environments.

Wide Product Portfolio

From directional couplers and power splitters to base station and ceiling antennas, we offer a full range of RF components for wireless networks, DAS, 5G, satellite communication, and more.

Customization & OEM Support

We support custom specifications, labeling, and performance tuning to meet your unique system requirements and brand needs.

Global Clients, Local Support

Trusted by system integrators, OEMs, and operators worldwide, we provide flexible logistics, responsive service, and expert technical consultation.

ISO-Certified Manufacturing

Our production is ISO 9001 certified, ensuring consistency, precision, and compliance with international standards.

Trusted by Industry Leaders

Our components are selected by leading system integrators, operators, and solution providers for mission-critical networks.

Looking for More RF Products

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