MULTI FUNCTIONAL: 4G wireless LTE router that can access the internet via LTE. It also has the function of converting 4G to WiFi hotspot, which can cover up to 200m/656ft and can connect 10 to 20 devices at the same time. Perfect for home and office use. SIM CARD SLOT: 4G unlocked wireless Wifi router SIM card slot supports 4G LTE B1, 3, 8, 38, 39, 40, 41 network bands in Asia. Please make sure your SIM card (not included) band is compatible before purchase. Made of ASB premium material, wearable and . STABLE AND HIGH SPEED: 4G LTE mobile Wifi router is equipped 1 LAN. Download speed is up to 150mbps, upload speed is up to 50mbps, wireless transmission speed is 300mbps. effectively prevents same frequency interference, and WIFI signal transmission is stable. EASY TO OPERATE: The wireless WiFi hotspot router is easy to operate, just insert a SIM card compatible the router band and turn on the power. If your SIM card is compatible the router SIM card but does not work, you may need to disable the PIN code of the SIM card and modify the APN. INSTRUCTIONS FOR MODIFYING APN: Enter the pouter IP address: 192.168.10.1 and click network, APN, enable. Modify the access point. (Roaming service, Virtual SIM and IoT SIM are not supported).