---
title: How to check my GUID?
description: "The GUID used in the xcom GSM/3G/4G or xcom LAN can be seen on the rcc on the system info screen. Scroll to the xcom devices and it is displayed on the two line at the bottom. ![xtender_check_GUID](https://studer-innotec.com/wp-content/uploads/2024/08/xtender_check_GUID.gif)"
url: "https://studer-innotec.com/support/faq/vario-mppt-charger-series/configuration/how-to-check-my-guid/"
updated: "2026-06-25"
category: Configuration
tags:
  - Internet connection
  - monitoring
  - rcc 02/03
  - vario chargers series
  - variostring chargers
  - variotrack chargers
  - xtender series
  - xtender xth inverter
  - xtender xtm inverter
  - xtender xts inverter
---

# How to check my GUID?

The GUID used in the xcom GSM/3G/4G or xcom LAN can be seen on the rcc on the system info screen. Scroll to the xcom devices and it is displayed on the two line at the bottom.

![xtender_check_GUID](https://studer-innotec.com/wp-content/uploads/2024/08/xtender_check_GUID.gif)