> For the complete documentation index, see [llms.txt](https://support.powerio.com/hub/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.powerio.com/hub/powerio-r-system/en/h1.m200-lte/lte-funktion.md).

# LTE Function

To insert a SIM card, the housing of the H1.M200 controller must be removed.

{% hint style="danger" %}
CAUTION: Antenna cable is located between the cover and the circuit board - do not remove, place carefully!
{% endhint %}

When the housing is open, the SIM card can be inserted into slot 1 as shown in the picture below.

{% hint style="info" %}
The SIM card must not be fitted with a SIM pin.
{% endhint %}

(1) SIM card slot (SIM card not included in delivery)\
(2) LTE module fitted in variant H1.M200-CDS-LTE\
(3) Antenna connection cable to the cover (caution required!)

<figure><img src="/files/c62543c1a4fdfce030ff1d60f748a18dde1d6e7a" alt=""><figcaption></figcaption></figure>

Further settings for the SIM card as well as current information on signal strength, network registration, gateways, etc. can be viewed under Settings "Network" on the web interface (port 8080) of the controller.


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