Travel-sized design - conveniently small and light to pack and take on the road, creating Wi-Fi Network via ethernet, 3G/4G USB modem or WISP Dual Band AC750 Wi-Fi - strong, fast connection for HD streaming on all your devices One Switch for Multiple Modes - ideal for Wi-Fi at home, your hotel room or on the road Versatile USB - for file sharing or Internet access from a 3G/4G USB modem Wireless Standards : IEEE 802.11ac/n/a 5 GHz, IEEE 802.11b/g/n 2.4 GHz; Frequency: 2.4 GHz and 5 GHz Please contact our support and service by calling the hotline number 03451470017 No sim slot - TP-Link AC750 Dual Band Wi-Fi Travel Router doesn't have a sim slot