# Using LTE for Online Maps in the Field

{% hint style="warning" %}
On Skynav booted into Ubuntu, the SIM card is currently not supported.
{% endhint %}

In order to have access to the LTE functionality of your Skynav, you will need an activated SIM card. The SIM card slot is located inside the battery compartment, as shown on the image below:

![](/files/0fzWdL4q0hAXd2PAfFLh)

The current offering for SIM card is the T-Mobile 2GB data plan.


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