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 Name | 200W 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 |
| Impedance | 50 Ohm |
| Connector | N Female |
| Operating Temp Range | -25℃~+60℃ |
| Storage temp range | -50ºC~+85ºC |
| Relative Humidity | 5-95% |
| Packing | 1 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.













