Product Overview
The MNR-AT-50W Series is a precision DC-3GHz Fixed RF Attenuator designed for high-power signal leveling and equipment protection in RF testing and Distributed Antenna Systems (DAS). Featuring a robust N-Male to N-Female interface and a high-efficiency black cooling structure, this attenuator offers exceptional Attenuation Accuracy (±0.5dB) and low reflection with a VSWR ≤1.25. Whether used for laboratory measurements or in-building wireless infrastructure, it provides stable and repeatable performance across the entire 2G/3G/4G/LTE spectrum.
Technical & Mechanical Specifications
| Parameter Item | Specification Details |
|---|---|
| Model Number | MNR-AT-50W-xxdB-DF |
| Frequency Range | DC - 3 GHz |
| Attenuation Values | 3-5 / 6-10 / 10-30 / 40 dB |
| Attenuation Accuracy | ± 0.5 dB |
| VSWR | ≤ 1.25 |
| Average Power Handling | 25 Watts / 50 Watts Series |
| Characteristic Impedance | 50 Ohm |
| Connector Type | N(Male) - N(Female) |
| Color | Black |
NOTE: Our MNR-AT series attenuators can be customized with various dB values and power ratings up to 500W. All specifications are subject to rigorous testing before delivery.
Our Professional Services
- Full technical consultation for RF chain power management and system optimization.
- OEM/ODM services for specialized attenuation accuracy or wideband (up to 18GHz) needs.
- Rapid-response support from our engineering team for custom 5G and LTE infrastructure projects.
- Commitment to long-term stability with high-grade components and thermal management.
Frequently Asked Questions
- Q1: Why is the ±0.5dB accuracy important for this 3GHz attenuator?
- A: Attenuation Accuracy ensures that the power reduction is precisely what is required. A tight tolerance of +/- 0.5dB is essential for sensitive laboratory measurements and ensuring that base station power levels are correctly balanced in a DAS network without introducing signal errors.
- Q2: Can this attenuator be used for high-power LTE base station testing?
- A: Yes, with a 25W/50W series power rating, it is perfectly suited for handling the output of medium-power base stations. Its wide frequency range (DC-3GHz) covers all major LTE and Sub-3GHz 5G bands.
- Q3: How does the N(M)-N(F) connector configuration help in system setup?
- A: The Male-to-Female (inline) configuration allows the attenuator to be inserted directly into an existing cable run without the need for additional adapters, simplifying installation and reducing potential points of signal reflection.
- Q4: Is the black color purely aesthetic or does it serve a technical purpose?
- A: The Black Anodized finish significantly improves thermal emissivity compared to raw metal. This helps the attenuator dissipate heat more efficiently into the surrounding air, ensuring the internal resistive elements stay within their calibrated operating temperature.

























































