The HMS Networks Ewon Flexy extension card boosts Ewon Flexy's connectivity with a 4G LTE modem for North America. Ideal for field applications lacking wired internet. Requires only a SIM card with data plan for Talk2m cloud. Safe VPN connectivity for SCADA applications without the hassle of provisioning a fixed IP address. Compatible with Ewon Flexy 10x, 20x series and 205 Build your own Flexy gateway