describe:The WiFi transmission rate is 150Mbps, and the WiFi distance is about 5-10m Support 10 devices that can be connected to WiFi at the same time Operating temperature: 0 ° to 35 ° C Insert a standard SIM card, that is, a large SIM card." Wireless access works on 3G, 4G and Wi-Fi networks. Convenient and portable, 4GDONG001 is easy to use and stylish. High-speed internet access for office and home. It can also be used with laptops, notebooks, for UMPCs and MID devices. Simply insert a SIM card to act as a wireless router, no setup required. Configure 2100 mAh high -performance batteryHOW TO SET UP WIFI DEVICE:1 Remove the back cover. 2 Insert the largest SIM card (use the SIM card slot we provide)3 Remove the green insulating glue from the battery connector and insert it into the device. 4 Power on and search for WIFI signal from smartphone5. Click Connect, the default WIFI name is 4G MIFI-XXXX.The default password is 12345678906 After connecting If you want to modify the password and WIFI name, please use the browser of your connected smartphone and type in the following address:Site Login 192. 168. 0. 1Username: adminPassword: adminFix WIFI-Edit SSID-Enter New Password-SaveThe alert has been received, the picker does not turn on. I'm going to have to check the battery. The battery is insulated over there. You have to tear off the glue to charge it. Product Description:Type: network cardChip: QualcommMaterial: plasticTransmission rate: 150MbpsLTE FDD:B1/B3/B5/B8; LTE TDD:B38/B39/B40/B41; WCDMA UMTS: B1 TD-SCDMA: B34/B39; 4G speed: downlink 150Mbps; Size:98*59*14. 5mmFirewall Function: Support FirewallExtended memory: Maximum support 32G Micro SD card; Number of support users: 10 WIFI users; Standby time: Work: 6-10H / Standby: above 50H; Product weight: 90g; Support system: Win7-10/Win XP/SISTA/MAC OS; Packing List1x LTE 4G Mobile WiFi1x Manual1x Battery