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GL-X300B (Collie) User Guide

Hardware info

GL-X300B (Collie) is an industrial cellular gateway designed to operate under high temperatures and scenarios with potential physical hazards. There are two versions of Collie, designed to operate in indoor stationary facilities, or in transportation vehicles. Collie is perfect for machine-to-machine communications between electrical devices in high electrical noise environments.

gl-x300b interface

GL-X300B specification

PCB Pinout

First time setup

All of GL.iNet's devices have a simple and almost identical setup process, click here to learn about the first time setup.

Please note that the adapter within the package depends on your shipping country.

What's inside the package?

Note: The image below is an example of GL-X300B-GPS, with some models slightly different.

gl-x300b unboxing

Package Contents:

  • 1 x User manual
  • 1 x Collie (GL-X300B)
  • 1 x Ethernet cable
  • 1 x Thank you card
  • 1 x Warranty card
  • 1 x Power adapter (Selected plug type)


The internet configuration interface lets users choose to establish the type of internet connection supported by the router.

Configure the internet network by selecting INTERNET in the side menu within the router's web Admin Panel.

It supports three ways to connect to the internet as listed below:


Transmit data over an Ethernet cable using an Ethernet cable to connect the router to an active modem or an active network device. This method usually provides the fastest and most reliable Internet connection.

Click here to learn how to connect to the internet via an ethernet cable

Ethernet Connection


Extend the Wi-Fi coverage area of an existing Wi-Fi network by using a router to receive wireless signals within range and forwarding the signals to a further distance. This method is most useful when a single router does not have enough range to cover the entire usage area.

Click here to learn how to connect to the internet via an existing Wi-Fi

Repeater Connection


Connect the router to the internet by inserting a cellular enabled USB modem into the router's USB port. This method is most useful for sharing internet access from a USB modem to all connected devices.

Click here to learn how to connect to the internet via cellular

Cellular Connection

Priority and load balance

Go to Multi-WAN to set the priority of each Internet access method or the load balance when multiple Internet access methods are used at the same time.


The wireless settings lets users manage network security of the primary Wi-Fi and the Guest Wi-Fi, it is accessible by going to WIRELESS on the side menu.

Click here to learn more about the wireless configuration


Clients are devices connected to the router, you can block clients or limit its network speed. The interface is accessible by clicking CLIENTS in the side menu of the router's Admin Panel.

Click here to learn more about managing your device clients.


GL.iNet routers are pre-installed with OpenVPN and WireGuard® supporting 30+ VPN services. It automatically encrypts all network traffic within the connected network, including guest devices and client devices that are not capable of running VPN encryption. Our routers can also act as VPN servers, redirecting traffic from client devices in remote locations to the VPN server via a VPN tunnel before accessing the public internet.

VPN Dashboard


Please refer to the following links for a step to step setup guide:


Please refer to the following links for a step to step setup guide:


GL.iNet routers include a wide range of add-on features that simplifies device management, improves user's internet experience, automates firmware update, and more.


Please visit the Plug-ins tutorial.

Dynamic DNS

Please visit the Dynamic DNS tutorial.


Please visit the GoodCloud tutorial.



GL.iNet's routers include multiple firewall features to ensure a secure connection and complete oversight by users. It lets users configure firewall rules including Port Forwarding, Open Ports, and DMZ.

Click here to learn more about GL.iNet routers' firewall


Please visit the Multi-WAN tutorial.


Please visit the LAN tutorial.


Please visit the DNS tutorial.

Network Mode

Please visit the Network Mode tutorial.


Please visit the IPv6 tutorial.

MAC Address

The Mac Address page was previously called Mac Clone and has been changed to Mac Address since v4.2.

Please visit the MAC Address tutorial.

Drop-in Gateway

Please visit the Drop-in Gateway tutorial.

IGMP Snooping

Please visit the IGMP Snooping tutorial.



Please visit the System Overview tutorial.


GL.iNet provides regular updates on our routers' firmware to improve performance, resolving bugs and fix vulnerabilities.

Please visit the Upgrade tutorial.

Scheduled Tasks

Please visit the Scheduled Tasks tutorial.

Admin Password

This feature has been moved to Security since v4.5.

Please visit the Admin Password tutorial.

Time Zone

Please visit the Time Zone tutorial.


Please visit the Log tutorial.


This feature is available since v4.5.

Please visit the Security tutorial.

Reset Firmware

Please visit the Reset Firmware tutorial.

Advanced Settings

Please visit the Advanced Settings tutorial.