9 Port Mesh Attenuator
The NXA-B9P programmable mesh attenuator is a fully shielded, high-performance, digitally controlled RF attenuator system featuring 36 channels. It is designed for automated RF testing applications that require precise signal power control. The NXA-B9P delivers excellent attenuation accuracy, a wide dynamic range, and fast response speed. Its superior performance is achieved through a high-precision attenuator design along with thorough calibration.
Frequency Range
200 to 8000 MHz
Ports
9
Dynamic Range
95 dB
Step Size
0.25 dB
Isolation
90 dB
Switch Speed
2 µs
Key Features
Built for continuous operation
The NXA-B9P delivers 95 dB of programmable attenuation with 90 dB channel isolation — engineered for 24/7 automated test environments.
Wideband Frequency Coverage
Supports operation from 200 MHz to 8 GHz, enabling testing across Wi-Fi, cellular, and broadband RF systems.
Designed for Continuous Operation
Built for 24/7 unattended use, making it ideal for fully automated and long-duration RF test environments.
Fully Shielded Architecture
A completely shielded RF enclosure ensures accurate, low-interference measurements across all mesh paths.
Full 9-Port Mesh Topology
Implements a non-blocking 9-port mesh with 36 independent attenuation paths, configurable to support diverse test scenarios.
High Dynamic Attenuation Range
Provides up to 95 dB attenuation with 0.25 dB resolution, enabling precise and repeatable RF fading and path-loss emulation.
Intuitive Control Software
Offers a user-friendly GUI with programmable APIs, allowing efficient manual control and seamless automation.
Target Applications
Automated RF test
environments
The NXA-B9P is ideal for environments demanding precise, repeatable signal control across multiple concurrent devices.
Wi-Fi 7/6E/6 and IoT testing
5G/4G/3G/2G cellular system validation
MIMO and multipoint RF fading simulation
Automated test equipment (ATE) integration
R&D characterization and high-volume production testing
Specifications
Technical Data
Complete performance data for the NXA-B9P.
Electrical Characteristics
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Frequency Range (MHz) | 200 | — | 8000 | MHz |
| Impedance | — | 50 | — | Ω |
| Number of RF Ports | — | 9 | — | — |
| Attenuation Range | — | 95 | — | dB |
| Shielding | — | 90 | — | dB |
| Isolation between Channels | — | 90 | — | dB |
| Step Size | — | 0.25 | — | dB |
| Insertion Loss (< 3 GHz) | — | 24 | — | dB |
| Insertion Loss (< 6 GHz) | — | 29 | — | dB |
| Insertion Loss (< 8 GHz) | — | 32 | — | dB |
| Attenuation Accuracy | ±0.25 | ±1.5 | — | dB |
| Switching Speed | — | 2 | — | µs |
| Maximum Input Level (operating) | — | +28 | — | dBm |
| Maximum Input Level (absolute max) | — | +33 | — | dBm |
| Operating modes | — | Uni/Bi-Directional, GUI control or APIs | — | — |
| Operating Temperature | -30 | — | +70 | °C |
| RF connectors | — | SMA | — | — |
| Control Interface | — | Ethernet or USB | — | — |
| Operating System | — | Windows, Linux and Mac | — | — |
Mechanical & Environmental
| Power Requirements | 100 – 240 V AC, 50/60 Hz |
| Environmental Conditions | Operating Temperature: 0°C to +40°C |
| Physical Connections | Power Connector: Power Cord Control: USB/Ethernet RF Connectors: SMA – female |
| Mechanical | Size (3RU): 17.0 × 18 × 5.23 inches Weight: 32 lbs / 14.5kg |
Need a custom config?
We design custom mesh attenuator systems for specialised frequency ranges and port counts.
Contact engineeringArchitecture
Functional Diagram
A fully non-blocking mesh topology ensures seamless multipath emulation and full interconnectivity.
Capabilities