# System Units

- [eLAN-204](https://wiki.inels.com/inels-home/inels-wireless/devices/system-units/elan-204.md): This is your starting point to explore everything you need to know about eLAN-RF-204- Smart Gateway
- [How to Use eLAN-RF-204](https://wiki.inels.com/inels-home/inels-wireless/devices/system-units/elan-204/how-to-use-elan-rf-204.md)
- [Web Interface – Tabs Description](https://wiki.inels.com/inels-home/inels-wireless/devices/system-units/elan-204/web-interface-tabs-description.md)
- [Service](https://wiki.inels.com/inels-home/inels-wireless/devices/system-units/elan-204/service.md)
- [First Start](https://wiki.inels.com/inels-home/inels-wireless/devices/system-units/elan-204/first-start.md)
- [Documents and links](https://wiki.inels.com/inels-home/inels-wireless/devices/system-units/elan-204/documents-and-links.md)
- [Firmware](https://wiki.inels.com/inels-home/inels-wireless/devices/system-units/elan-204/firmware.md)


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