--- title: "Universal OEM Baseboard Reference" aliases: - datasheets/oem/universal_reference.html - datasheets/oem/universal_reference.md - product-info/oem/universal_reference - chapter/datasheets/oem/universal_reference --- ![](/gitbook/assets/universal_reference.png) The universal OEM reference board is a reference design suitable for the W01, L01, L04 and G01 OEM modules, making it possible to have a single PCB design that can accommodate all of our OEM modules. {{% hint style="info" %}} If you require a reference board for the G01, this design is the only one that is suitable. The L01 reference board does not contain the necessary SIM slot. {{% /hint %}} ## Features * Suits all of the OEM modules \(L01, L04, W01, G01\) * On-board 2.4GHz antenna for WiFi and Bluetooth, with the ability to switch to an external antenna via a U.FL connector. * 3 U.FL connectors for all the outputs available on the OEM modules * WS2812B RGB LED * DC-DC regulator (3.5 - 5.5V) input with low current draw during Deep Sleep * Reset button ## Layout The layout of the OEM baseboard reference is available as a PDF File OEM Layout ![](/gitbook/assets/oem-universal-layout-1.png) ## Schematic The schematic of the OEM baseboard reference is available as a PDF File. OEM Schematic ## Altium Project and Gerber Files The Altium Project and Gerber files are also available as a ZIP File. [OEM Altium Project and Gerber Files](/gitbook/assets/oem-universal-baseboard-ref.zip)