Main Product Introduction
This Custom RF Cavity Duplexer Combiner is specifically designed to support combined duplexing and combining functions across two UHF bands — 380–400MHz and 410–470MHz. The cavity architecture provides highly selective filtering and low loss, enabling transmit and receive signals to share infrastructure with minimal interference.
Ideal for public safety, private network, and enterprise wireless deployments, this component ensures strong isolation between TX and RX paths while preserving mainline signal integrity. Its customized design accommodates professional requirements for high reliability, ease of integration, and stable performance in demanding DAS and UHF communication systems.
Why choose this product?
- Dual‑band cavity filtering and combining in one compact unit
- High isolation between transmit and receive paths to reduce interference
- Low insertion loss preserves RF signal strength
- Low PIM performance supports mission‑critical UHF communications
- Industry standard connectors for seamless integration
Application Scenarios
- DAS and in‑building UHF signal infrastructure
- Public safety communication networks
- Private two‑way radio systems (UHF)
- Emergency services and dispatch centers
- Transportation and critical infrastructure wireless systems
Electrical Specifications
| Duplexer Specifications | |
|---|---|
| Product Name | 50W Duplexer |
| Frequency Band(MHz) | 380-400 / 410-470 |
| Insertion Loss(dB) | ≤0.6 |
| Isolation(dB) | ≥40 |
| power(W) | 100 |
| Rejection(dB) | ≥40 |
| PIM3(dBc) | ≥150 @2*43dBm |
| Impedance(Ω) | 50 |
| Operating Temp Range(deg) | -25~+60 |
| Storage temp range(deg) | -50~+85 |
| Relative Humidity | 5-95% |
| Connector | N Female |
| Weight(kg) | 1.2 |
| Packing | 1 pc in box |
FAQ
- What is a cavity duplexer combiner?
- A cavity duplexer combiner integrates filtering and combining functions, enabling transmit and receive signals in different bands to share a common antenna or feed line while maintaining high isolation.
- Why choose a cavity design?
- Cavity filters provide precise band separation with low insertion loss and high isolation, critical for UHF duplex applications where cross‑talk must be minimized.
- What frequency bands does this unit support?
- This model operates on two UHF bands: 380–400MHz and 410–470MHz, making it suitable for diverse UHF systems.
- Is this suitable for public safety systems?
- Yes. Its low PIM performance, high isolation, and robust design make it ideal for public safety and mission‑critical UHF communication networks.
- Can this be customized for other specifications?
- Yes. Custom frequency, power handling, and connector options are available to meet specific system requirements.
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