> For the complete documentation index, see [llms.txt](https://development-test.pycom.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://development-test.pycom.io/product-info-datasheets/oem/universal_reference.md).

# Universal OEM Baseboard Reference

![](https://3086745545-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LIL0iGdl11z7Jos_jpX%2F-LKN7scqKKkb6TqB3uYO%2F-LKN82r6Q7FfmlcRwWZR%2Funiversal_reference.png?generation=1534782106191155\&alt=media)

The universal OEM reference board is a reference design suitable W01, L01, L04 and G01 OEM modules, making it possible to have a single PCB design that can accommodate all our OEM modules.

{% hint style="info" %}
If you require a reference board for the G01, only this design is suitable. The L01 reference board does not contain the necessary SIM slot.
{% endhint %}

## Features

* Suits all OEM modules (L01, L04, W01, G01)
* On-board 2.4GHz antenna for WiFi and Bluetooth, with the ability to switch

  to a external antenna via a U.FL connector.
* 3 U.FL connectors for all the outputs available on the OEM modules
* WS2812B RGB LED
* 3.5-5.5 Input switch mode DC-DC regulator with low current draw during deep

  sleep
* Reset button

## Layout

The layout of the OEM baseboard reference is available as a PDF File

{% file src="/files/-LKN82r86vmy1oZviL9m" %}
OEM Layout
{% endfile %}

![](https://3086745545-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LIL0iGdl11z7Jos_jpX%2F-LKN7scqKKkb6TqB3uYO%2F-LKN82rA1vQX_z8mvq9U%2Foem-universal-layout%20\(1\).png?generation=1534782106011040\&alt=media)

## Schematic

The schematic of the OEM baseboard reference is available as a PDF File.

{% file src="/files/-LKN82rCXQMYVI8QG-Lq" %}
OEM Schematic
{% endfile %}

## Altium Project and Gerber Files

The Altium Project and Gerber files are also available as a ZIP File.

{% file src="/files/-LKN82rEM7SqyKcQgPV4" %}
OEM Altium Project and Gerber Files
{% endfile %}