1. Introduction
This manual provides detailed instructions for the installation, configuration, and operation of the Grandstream GWN7660ELR Outdoor Long Range AX3000 Wi-Fi 6 Access Point. The GWN7660ELR is designed to establish next-generation Wi-Fi networks in high-density outdoor environments, offering extended range and high throughput.
Please read this manual thoroughly before attempting to install or operate the device to ensure proper functionality and safety.
2. Product Overview and Key Features
The Grandstream GWN7660ELR is an outdoor Wi-Fi 6 access point engineered for robust performance and extensive coverage. Its key features include:
- High Throughput: Achieves 3 Gbps aggregate wireless throughput, supported by 1 Gbps RJ45 and 2.5 Gbps SFP wireline ports.
- Advanced Wi-Fi Technology: Features Dual-band 2x2:2 MIMO with OFDMA technology for efficient data transmission.
- Flexible Powering: Supports self-power adaptation upon auto-detection of Power over Ethernet (PoE) or PoE+.
- Client Capacity: Capable of supporting up to 256 concurrent Wi-Fi client devices.
- Extended Coverage: Provides an impressive coverage range of up to 300 meters.
- Quality of Service (QoS): Incorporates advanced QoS mechanisms to ensure real-time performance for low-latency applications.
- Enhanced Security: Features anti-hacking secure boot, critical data/control lockdown via digital signatures, and a unique security certificate/random default password per device.
- Internal Antennas: Equipped with 5 internal antennas for flexible signal optimization.
- Management Options: Includes an embedded controller for managing up to 50 local GWN APs. Additionally, GWN.Cloud offers unlimited AP management, and GWN Manager provides on-premise software AP management.
3. Package Contents
The GWN7660ELR package typically includes the following items:
- Grandstream GWN7660ELR Outdoor Long Range AX3000 Wi-Fi 6 Access Point
- Mounting Kit (brackets, screws, anchors)
- Quick Installation Guide
- Grounding Wire
Note: A power adapter is not included with this unit. Power is supplied via Power over Ethernet (PoE/PoE+).
4. Physical Description
4.1 Front View
The front panel of the GWN7660ELR features the Grandstream logo and an LED indicator for status monitoring.

Figure 4.1: Front view of the GWN7660ELR Access Point, showing the Grandstream branding and a circular LED indicator that glows green when operational.

Figure 4.2: Front view of the GWN7660ELR, highlighting the "Wi-Fi 6 Certified" logo at the bottom, indicating compliance with the latest Wi-Fi standards.
4.2 Rear View
The rear panel includes mounting points for secure installation.

Figure 4.3: Rear view of the GWN7660ELR, displaying the four primary mounting screw holes and additional attachment points for secure outdoor installation.
4.3 Bottom Panel (Ports and Buttons)
The bottom panel houses the connectivity ports and control buttons.

Figure 4.4: Bottom view of the GWN7660ELR, illustrating the RJ45 Ethernet port (left), a reset button, an SFP port (right), and an LED indicator for the SFP port.
5. Installation and Setup
5.1 Mounting the Access Point
- Site Selection: Choose an outdoor location that provides optimal Wi-Fi coverage and is protected from direct severe weather conditions. Ensure the mounting surface is sturdy.
- Prepare Mounting Surface: Use the provided mounting bracket as a template to mark drill holes on the wall or pole. Drill holes as marked.
- Secure Bracket: Attach the mounting bracket to the surface using the appropriate screws and anchors.
- Attach AP: Align the GWN7660ELR with the mounting bracket and slide it into place until it securely locks.
- Grounding: Connect the grounding wire to the designated grounding screw on the access point and to a proper earth ground.
5.2 Powering the Device
The GWN7660ELR is powered via Power over Ethernet (PoE) or PoE+. Connect an Ethernet cable from a PoE/PoE+ enabled switch or injector to the RJ45 port on the access point. The device will automatically detect the power type.
5.3 Initial Configuration
- Connect to Network: Ensure the GWN7660ELR is connected to your network via the Ethernet port.
- Access Web UI:
- Method 1 (GWN.Cloud/GWN Manager): For centralized management, register your GWN7660ELR with GWN.Cloud (cloud.gwn.cloud) or your local GWN Manager instance. Follow the on-screen instructions to add and configure the device.
- Method 2 (Embedded Controller): If managing locally, connect a computer to the same network segment as the GWN7660ELR. The AP will obtain an IP address via DHCP. Use a network scanner tool to find its IP address, or access the default IP if DHCP is not available (refer to the Quick Installation Guide for default IP). Enter the IP address into a web browser.
- Login: Use the default username and password (found on the device label or Quick Installation Guide) to log in to the web interface.
- Basic Settings: Configure essential settings such as Wi-Fi SSID, security type (WPA2/WPA3 recommended), and password.
- Firmware Update: It is recommended to check for and install the latest firmware updates after initial setup.
6. Operation
6.1 Connecting Client Devices
Once the GWN7660ELR is configured and broadcasting Wi-Fi, client devices (smartphones, laptops, tablets) can connect to it:
- On your client device, scan for available Wi-Fi networks.
- Select the SSID (network name) you configured for the GWN7660ELR.
- Enter the Wi-Fi password (if configured) and connect.
6.2 Network Management
The GWN7660ELR can be managed through its web interface, GWN.Cloud, or GWN Manager. These platforms allow you to:
- Monitor network status and connected clients.
- Adjust Wi-Fi settings, including SSIDs, security, and radio parameters.
- Implement Quality of Service (QoS) policies for traffic prioritization.
- Manage firmware updates.
- View system logs and statistics.
7. Maintenance
7.1 Firmware Updates
Regularly check for and apply firmware updates to ensure optimal performance, security, and access to new features. Firmware updates can typically be performed via the device's web interface or through GWN.Cloud/GWN Manager.
7.2 Cleaning
Periodically inspect the device for dust or debris accumulation, especially around ports. Use a soft, dry cloth to clean the exterior. Do not use liquid cleaners or solvents.
7.3 Environmental Considerations
Ensure the GWN7660ELR operates within its specified temperature and humidity ranges. While designed for outdoor use, avoid exposing it to extreme conditions beyond its operational limits.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on (LED off) | No power from PoE/PoE+ switch or injector; faulty Ethernet cable. | Verify the PoE/PoE+ source is active. Check the Ethernet cable connection and integrity. Try a different port or cable. |
| Cannot connect to Wi-Fi network | Incorrect Wi-Fi password; SSID not broadcasting; device out of range; Wi-Fi disabled. | Ensure correct password. Check AP configuration to confirm SSID broadcast. Move closer to the AP. Verify Wi-Fi is enabled on the AP. |
| Slow Wi-Fi speed or intermittent connection | Interference; channel congestion; outdated firmware; too many clients; poor signal strength. | Check for sources of interference. Adjust Wi-Fi channels in the AP settings. Update firmware. Reduce number of connected clients or add more APs. Ensure optimal AP placement. |
| Cannot access web management interface | Incorrect IP address; network connectivity issue; firewall blocking access. | Verify the AP's IP address. Ensure your computer is on the same network segment. Temporarily disable client firewall. Try pinging the AP's IP address. |
| Forgot administrator password | Password lost. | Perform a factory reset using the reset button (refer to Quick Installation Guide for procedure). This will revert all settings to default. |
9. Technical Specifications
| Feature | Detail |
|---|---|
| Model Name | GWN7660ELR |
| Wireless Communication Standard | 802.11ax (Wi-Fi 6) |
| Frequency Band Class | Dual-Band |
| Aggregate Wireless Throughput | 3 Gbps |
| Wireline Ports | 1 Gbps RJ45, 2.5 Gbps SFP |
| MIMO Technology | Dual-band 2x2:2 MIMO with OFDMA |
| Concurrent Client Devices | Up to 256 |
| Coverage Range | Up to 300 meters |
| Power Input | PoE/PoE+ (Power Adapter Not Included) |
| Antennas | 5 Internal Antennas |
| Management Options | Embedded controller (up to 50 APs), GWN.Cloud, GWN Manager |
| Product Dimensions | 7.87 x 5.91 x 5.91 inches |
| Item Weight | 4.4 pounds |
| Manufacturer | Grandstream |
10. Warranty and Support
For warranty information, please refer to the warranty card included with your product or visit the official Grandstream website. Technical support is available through Grandstream's official support channels, including their website, knowledge base, and customer service contact information.
Always ensure you have your product model number (GWN7660ELR) and serial number ready when contacting support.





