Compatible Devices: iPhone, Android phones, PCs, WiFi cameras, and all other WiFi devices. US Version: 4G LTE: B2/B4/B5/B7; 3G: B2/B5. The US version is compatible with most countries in the Americas (e.g., the United States, Canada, Mexico, Argentina, Bolivia, Colombia, Venezuela, Ecuador, Guatemala, Honduras, Nicaragua, Panama, Peru, Uruguay, Paraguay, Dominican Republic). High-speed 4G LTE chipset, supports TDDLTE/FDDLTE/UMTS networks; supports 8 WiFi users; English operating system; plug and play, easy to use; ultra-compact 4G USB dongle; can be used as a USB modem by plugging into a Windows computer's USB port; power input: 5V 1A USB powered. Suitable for automotive, power bank, travel, and outdoor scenarios. The HF26 is a 4G LTE USB WiFi router with a SIM card slot, powered via USB port, and can be used as a WiFi router. It can also be plugged into a computer's USB port as a USB modem. Plug and play, no driver installation CD required. *Please ensure your computer's antivirus software or firewall allows the installation of USB modem drivers; otherwise, it will not function as a USB modem. This 4G USB modem does not include a SIM card; users need to purchase a SIM card from their local carrier to use this device. Our 4G router/modem only supports valid universal SIM cards. This product may not work properly with certain locked SIM cards, contract SIM cards that carriers do not allow to be used on WiFi routers, or SIM cards that are only allowed to be used on their authorized devices. (If your SIM card cannot access the internet, usually replacing it with a universal SIM card from another carrier will solve the problem.) The router will automatically recognize most SIM cards and APNs. If it cannot recognize them, users need to manually enter the APN information.