Siemens SIMATIC IOT Operating Instructions Manual page 55

Then follow these steps:
1. Remove the marked three screws on shield cover and remove the shield cover.
2. Drill holes with a corresponding diameter at the marking shown for mini PCIe installation
accessory. There are four reserved antenna-holes, two on each side of the top housing.
3. Insert the Mini PCIe card in the Mini PCIe interface and fix it with two M2 screws.
For half size Mini PCIe card, you need to move one standoff from A to B. Then install the half
size Mini PCIe card and fix it with a M2 screw.
SIMATIC IOT2050
Operating Instructions, 03/2024, A5E39456816-AF
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5.3 Install Mini PCIe card
55