# EZR24 SIM Router

## EZR24 CAT12

- [EZR24 - 4G CAT12 Router](https://ezr24.outdoorrouter.xyz/master.md): EZR24 series 4G LTE router with a Nano SIM card slot and external antenna sockets.
- [1 Hardware](https://ezr24.outdoorrouter.xyz/manual/1-hardware.md): EZR24 router is an industrial-grade 4G LTE gateway designed for use in th environment and rugged deployments.
- [1.1 Package Contents](https://ezr24.outdoorrouter.xyz/manual/1-hardware/1.1-package-contents.md): After receiving the package, please check if all of the below components are included in the box.
- [1.2 Physical Interfaces](https://ezr24.outdoorrouter.xyz/manual/1-hardware/1.2-physical-interfaces.md): Get known of the physical interfaces on the EZR24 router.
- [2 SIM Card & Power](https://ezr24.outdoorrouter.xyz/manual/2-sim-card-and-power.md): Insert a SIM card and connect to the power adapter to boot up the EZR24 router.
- [2.1 Signal Quality](https://ezr24.outdoorrouter.xyz/manual/2-sim-card-and-power/2.1-signal-quality.md): Good 4G LTE mobile signal quality is a fundamental factor in getting a stable and fast internet connection over the mobile network.
- [2.2 Insert A SIM Card](https://ezr24.outdoorrouter.xyz/manual/2-sim-card-and-power/2.2-insert-a-sim-card.md): The EZR24 router requires to insert SIM card to connect to the mobile internet networks.
- [2.3 Power Supplies](https://ezr24.outdoorrouter.xyz/manual/2-sim-card-and-power/2.3-power-supplies.md): The EZR24 router uses a 12Volt DC power adapter. Please ensure to use the correct voltage and current if using other power sources.
- [2.4 Install Antennas](https://ezr24.outdoorrouter.xyz/manual/2-sim-card-and-power/2.4-install-antennas.md): The EZR24 router uses MIMO antennas on both mobile and Wi-Fi connections.
- [2.5 Indicators](https://ezr24.outdoorrouter.xyz/manual/2-sim-card-and-power/2.5-indicators.md): Instructions to the status and descriptions on each indicator of the EZR24 router.
- [3 Firmware](https://ezr24.outdoorrouter.xyz/manual/3-firmware.md): Config the 4G router firmware system.
- [3.1 Login Router](https://ezr24.outdoorrouter.xyz/manual/3-firmware/3.1-login-router.md): Connect a phone or computer to the EZR24 router via Wi-Fi or Ethernet. And login to the router at the default router IP address 192.168.20.1.
- [3.2 System Admin](https://ezr24.outdoorrouter.xyz/manual/3-firmware/3.2-system-admin.md): Here are the basic system settings that should be changed on the EZR24 router.
- [3.3 Network Interfaces](https://ezr24.outdoorrouter.xyz/manual/3-firmware/3.3-network-interfaces.md): The network interfaces on the EZR24 router.
- [Local Networks](https://ezr24.outdoorrouter.xyz/manual/3-firmware/3.3-network-interfaces/local-networks.md): Configure the LAN interface to set up local intranet networks.
- [3.4 Mobile Modem](https://ezr24.outdoorrouter.xyz/manual/3-firmware/3.4-mobile-modem.md): Monitor status and configure APN and Protocol on the Mobile interface.
- [Mobile Protocols](https://ezr24.outdoorrouter.xyz/manual/3-firmware/3.4-mobile-modem/mobile-protocols.md)
- [Mobile Band Lock](https://ezr24.outdoorrouter.xyz/manual/3-firmware/3.4-mobile-modem/mobile-band-lock.md): In some rare conditions, such as between two cell towers, we need to lock the 4G router to work on a specific band to get a stable connection or faster speed.
- [3.5 WiFi Hotspots](https://ezr24.outdoorrouter.xyz/manual/3-firmware/3.5-wifi-hotspots.md): Wi-Fi hotspots have been turned on by default, and the default Wi-Fi hotspots are Cell-WiFi-xxxx-V4 and V5.
- [WiFi Relay](https://ezr24.outdoorrouter.xyz/manual/3-firmware/3.5-wifi-hotspots/wifi-relay.md): You can connect the EZR24 router to another Wi-Fi hotspot to get a backup Internet connection or extend the current Wi-Fi network.
- [3.6 Firmware Upgrade](https://ezr24.outdoorrouter.xyz/manual/3-firmware/3.6-firmware-upgrade.md): Performing the file-level backup, restore, reset, and firmware upgrade on the EZR24 router.
- [3.7 Recovery](https://ezr24.outdoorrouter.xyz/manual/3-firmware/3.7-recovery.md): Fix the issues on the Internet and wireless networks and rescue the router from misconfigurations.
- [4 Advanced](https://ezr24.outdoorrouter.xyz/manual/4-advanced.md)
- [4.1 Internet & IP](https://ezr24.outdoorrouter.xyz/manual/4-advanced/internet-ip.md): Run a first quick Internet access test to check Internet connectivity.
- [Changing Web Port](https://ezr24.outdoorrouter.xyz/manual/4-advanced/internet-ip/changing-web-port.md): Guidance of how to change the Web GUI interface port on the EZR23 router.
- [4.2 Firewall Settings](https://ezr24.outdoorrouter.xyz/manual/4-advanced/4.2-firewall-settings.md): The router firewall controls the forward packet streams from incoming network interfaces to outgoing network interfaces.
- [4.3 Dynamic DNS](https://ezr24.outdoorrouter.xyz/manual/4-advanced/4.3-dynamic-dns.md): Dynamic DNS allows that your router can be reached with a fixed hostname while having a dynamically changing IP address.
- [4.4 Traversal Cloud](https://ezr24.outdoorrouter.xyz/manual/4-advanced/4.4-traversal-cloud.md): Traversal Cloud is a secure NAT tunnel tool to provide remote control function on the 4G outdoor routers and connected hosts.
- [4.5 Command-line](https://ezr24.outdoorrouter.xyz/manual/4-advanced/4.5-command-line.md): The command-line interface (CLI) means interacting with the router system where the user issues command to the router system in the form of command lines.
- [4.6 Bootloader](https://ezr24.outdoorrouter.xyz/manual/4-advanced/4.6-bootloader.md): Rescue the EZR24 router from the "brick" mode.
- [5 Troubleshooting](https://ezr24.outdoorrouter.xyz/manual/5-troubleshooting.md): The collection of the problem elimination process.