Technical Tips & Guides

Grandstream GWN7302 – The building-to-building fixed wireless bridge
Grandstream GWN7302 – The building-to-building fixed wireless bridge

In modern business environments, network connectivity often needs to span across multiple buildings, warehouses, or expansive outdoor sites. Traditionally, this meant expensive trenching and physical fibre cabling, which often requires special approvals and faces high costs for repaving and specialist splicing.

The Grandstream GWN7302 offers a more practical, high-performance alternative. This building-to-building fixed wireless bridge acts as a transparent Layer-2 link, effectively acting as a "virtual cable" that extends your LAN across sites up to 5km in ideal line-of-sight conditions. It passes DHCP, VLANs, and management traffic, ensuring the remote site feels directly connected to the main uplink.

Versatile Deployment Modes

The GWN7302 is designed for flexibility, supporting two primary operation modes:

Point-to-Point (PTP): One Master device connects directly to one Slave device.

Point-to-Multipoint (PtMP): One Master device connects with up to four Slave devices, making it ideal for campus-wide connectivity.

Figure 1: Typical PTP/PtMP network topology extending the LAN side to a remote site.

Three Ways to Pair

What sets the GWN7302 apart is its versatility for installers. You can pair these units using three different methods depending on your environment:

Method 1: Pairing Using the RST/PAIR Button

This method uses the physical RST/PAIR button only – No need for the web interface or the GWN app.

You can only do a PTP connection between 2 devices using this method.  To connect up to 4 Slave devices to the Master device, see Method 2: Pairing using the web user interface

Step 1: Power the device

1. Connect power to the device via a POE injector or a POE switch. 

Reset the device if there is already a configuration on the GWN7302 – Hold the RST/PAIR button for 7 seconds.

2. When the SYS LED is solid pink, the GWN7302 is in Slave mode.

3. Wait until all three Signal LEDs flash green in a repeating cycle. When this happens, the device has completed its reboot and is ready for pairing.

Step 2: Start Pairing on the Master (Device A)

1. Choose the device you want to use as the Master.

Top tip – Be sure to label your devices as you assign roles to them

2. On this Master device, quickly press the RST/PAIR button 3 times. 

  • The SYS LED will blink blue, then turn solid blue, indicating the device has entered Master mode.
  • All the Signal LEDs will turn solid green, then flash green in a repeating cycle. 

This means the Master is scanning for nearby Slave devices.

Step 3: Confirm on the Slave (Device B)

1. The SYS LED will begin flashing pink. Press the RST/PAIR button 1 time on the Slave device within 30 seconds of it going into the flashing mode.

2. The SYS LED will change to solid pink, indicating that pairing process has begun.

3. When successful, both devices will go from flashing pink → solid pink → solid blue.

Once both SYS LEDs are solid blue, the wireless link has been established and is active.

Method 2: Pairing Using the Web Interface

This method works for both PTP and PtMP bridges. 

  • PTP mode - Only one bridge can connect to the Master
  • PtMP mode - Up to four bridges can connect to the Master.

In this setup, the device at Site A functions as the Master, and all pairing is performed through the Master devices’ Web UI. Slave devices only need to be powered on, reset to factory defaults, the SYS LED must be solid pink, and be within wireless range.

Step 1: Log In to the Master devices’ Web UI and Run Quick Setup

Connect your PC and the device to the same LAN. 

In your browser, access the device using one of the following methods:

1. https://gwn_.local (Example: https://gwn_ec74d7a94318.local)

2. The IP assigned by your DHCP server (Example: https://192.168.5.72)

Top tip – Tools like Advanced IP Scanner can be very useful to scan your entire broadcast domain.

The Setup Wizard will launch automatically. Click Quick Setup to continue:

1. Basic Settings: Set the Role to Master.

2. RF Settings: Set Connection Mode to PTP (for one-to-one) or PTMP (for one-to-many). Configure the SSID and Password that the Master will broadcast and Slaves will use to connect

3. Network Settings: Set IP Protocol to DHCP (Auto-assigned IP address from router).  Use Static only if you want to assign a fixed IP manually.

Might be necessary if you are only allowed to assign IPs within a certain block