Chapter 2 – Hardware Information 9IoT Gateway System SRG-ACAN2.3 Wireless Hardware SetupThe SRG-ACAN features both a SIM Card and Mini Card slot for connecting to wirelessnetworks such as 4G. This section details how to install a SIM Card and 4G/LTE moduleon the mini card slot.2.3.1 Mini Card InstallationStep 1: Remove the six screws securing the top cover.Step 2: Open the antenna hole (left side of system) by removing the punch-out cover.Step 3: Install the RF coaxial cable in the antenna hole.