To connect the WWAN module with a SIM-card slot, you typically need to ensure that your device has a compatible SIM card slot and that the WWAN module is properly installed in the M.2 slot. The Quectel EM061K-GL module itself does not have a built-in SIM card slot but may support eSIM functionality. For physical SIM cards, you would need to use an external SIM card slot or a device that integrates this feature. Always refer to your device's manual for specific installation instructions.