The Ewon Flexy extension card increase the connectivity capability of the Ewon flexy with an LTE 4G modem for Europe. Using a 4G cellular connection provides the advantages of innovation and cutting edge technology and can sometimes be the only cellular connectivity in a remote area. For remote access requirement, a simple SIM card with data plan is all that is needed to connect to the Talk2M cloud-based solution. Similarly for SCADA-like applications, secure remote VPN connectivity can also benefit from this simple SIM card without the burden of provisioning a fixed IP address on the remote site. SMA-F female antenna connector Operating temperature ranges from -25 °C to +60°C It has a warranty of 3 years