Ekahau ESK-2
Ekahau Sidekick 2 ESK-2 Network Testing Device User Manual
Model: ESK-2 | Brand: Ekahau
1. Introduction
The Ekahau Sidekick 2 ESK-2 is a high-precision Wi-Fi testing and measurement device designed for validating and optimizing wireless networks across 2.4 GHz, 5 GHz, and 6 GHz bands. It provides comprehensive data collection and visualization capabilities to ensure reliable Wi-Fi performance.

Image: The Ekahau Sidekick 2 ESK-2 device, a compact gray and black unit, connected via a USB-C cable to a smartphone displaying a Wi-Fi signal strength heatmap. The device has "ekahau" branding and ventilation grilles.
2. Setup
2.1 Unboxing and Initial Inspection
Upon receiving your Ekahau Sidekick 2 ESK-2, carefully unpack all components and inspect for any signs of damage. The package should contain the following items:
- Sidekick 2 ESK-2 Network Testing Device
- Messenger Strap
- Power Supply
- USB-C - USB-C Cable
- Quick Guide Setup Instructions
2.2 Charging the Device
Before first use, ensure the Sidekick 2 is fully charged. Connect the provided USB-C cable to the device and the power supply, then plug into a wall outlet. The device contains 1 Lithium Ion battery (included).
2.3 Software Installation (if applicable)
Refer to the included Quick Guide Setup Instructions for details on downloading and installing the necessary software or mobile application to interface with your Sidekick 2 device.
3. Operating Instructions
The Ekahau Sidekick 2 ESK-2 is designed for fast and precise Wi-Fi network analysis. Follow these general guidelines for operation:
- Validate Wireless Networks: Use the device to validate 2.4, 5, and 6 GHz wireless networks. It supports validation and visualization for dual or tri-band networks.
- Data Collection: Perform site surveys by walking through the area to collect measured data. This data is crucial for validating and optimizing any wireless network.
- Performance Analysis: The device captures a clear picture of Wi-Fi performance with 4 tri-band radios and a spectrum analyzer that scans at 50 sweeps/second. This allows for accurate assessment of network health.
- AP Placement Optimization: Utilize the collected data to determine optimal Access Point (AP) placement, reducing the need for costly reconfigurations and addressing Wi-Fi issues proactively.
4. Maintenance
To ensure the longevity and optimal performance of your Ekahau Sidekick 2 ESK-2, adhere to the following maintenance practices:
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Avoid abrasive cleaners or solvents.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: For extended storage, ensure the battery is partially charged (around 50%) to maintain battery health. Avoid fully discharging the battery for long periods.
- Software Updates: Regularly check for and install software updates for the device and its accompanying applications to ensure compatibility and access to the latest features and improvements.
5. Troubleshooting
If you encounter issues with your Ekahau Sidekick 2 ESK-2, consider the following basic troubleshooting steps:
- Device Not Powering On: Ensure the device is fully charged. Connect it to the power supply and allow it to charge for at least 30 minutes before attempting to power it on again.
- Connectivity Issues: Verify that the USB-C cable is securely connected to both the Sidekick 2 and your smartphone/computer. Ensure the accompanying software/app is up-to-date.
- Inaccurate Readings: Confirm that the device's firmware and software are the latest versions. Ensure there are no physical obstructions or strong interference sources directly affecting the device during measurements.
- Software/App Crashes: Restart the application or your connected device. If the problem persists, try reinstalling the software/app.
- Persistent Problems: If troubleshooting steps do not resolve the issue, contact Ekahau customer support for further assistance.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | Ekahau |
| Series | Sidekick 2 |
| Model Number | ESK-2 |
| Item Weight | 2.4 pounds |
| Product Dimensions (LxWxH) | 6.1 x 8.9 x 1.5 inches |
| Batteries | 1 Lithium Ion batteries required (included) |
| Manufacturer | EKAHAU |
| First Available | December 9, 2023 |
7. Official Product Videos
The following video provides an overview of the SignalTEK CT with Touchscreen, a related product from a seller, demonstrating its features and capabilities in network testing.
Video: SignalTEK CT with Touchscreen. This video demonstrates the functionality of the SignalTEK CT, a data cable transmission tester, highlighting its ability to test wiremap and bidirectional transmission performance, detect cable faults like open and short circuits using TDR, and generate test reports. It also shows how to use the main handset and remote unit for one-person testing and how to share reports via the AnyWARE app.
8. Warranty and Support
For warranty information and technical support, please refer to the documentation included with your Ekahau Sidekick 2 ESK-2 device or visit the official Ekahau website. Protection plans may be available for extended coverage.
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