KuWFi Unlocked Smart 3G USB Mobile hotspot WIFI Dongle Mini USB WIFI Hotspot Router Data Card with Wi-Fi 3G WiFi Modem SIM Slot Router use for Car SIM Card Not included Support 2100 network band This is not only 3G USB Modem! This is USB Wi-Fi Modem Router.(not including SIM Card) no need IMEI NO . the sim card network band can work the router .so the router can work , no need other Code. Wireless access is available on both 3G network and Wi-Fi networks. SSID:UFI_UF230XXX WIFI KEY:1234567890 WEB GUI:192.168.8.1 admin :admin More country operator and frequncy band ,you can check this link to learn it :https://en.wikipedia.org/wiki/List_of_UMTS_networks Work with external power supply, no limited working time. Able to connect with Tablet ,Laptop, notebook and different types of WI-FI devices ,Support 2G/3G Network HSPA+/HSPA/UMTS 2100MHz. EDGE:900/1800MHZ. Not support VerizonSprint SIM Card, AT&T and T Moblie 3G sim card .Not support 4G SIM Card . just support WCDMA 2100MHZ network band