Chapter 3 – Gateway Setup and Configuration 18IOT Gateway System SPG-M0413.1.5 WWAN Module InstallationBefore starting WWAN access on SPG-M041, please remove the upper case of theSPG-M041.After opening the cover, refer to the block diagram below to find the position ofWWAN module. Install the WWAN module, and fix antennas to the reserved antennaholes in the casing.• WWAN module Mini-PCIe:WWAN module installation:• Make sure the IoT gateway is not powered on• Make sure the IoT gateway is not powered on• Open the case and identify the mPCIe slot on IoT gateway• Align the WWAN module/card with the mPCIe slot and push the card straightinto the mPCIe slot gently• Secure the WWAN module/card to the pillar on the main board