General description LDW931 is a compact 4G LTE USB WiFi router that provides mobile high-speed internet access. It can be powered through a USB port and functions as both a WiFi router and a USB modem. The device supports both 3G and 4G networks and allows up to 10 users to connect simultaneously. It is designed for portability, making it easy to carry and use in various locations, including cars and outdoor settings with a power bank. Technical specifications Power input: 5V 1A Working temperature: -10˚C to 45˚C Size: 88 x 28 x 12.3 mm Color: White Supported frequency bands: FDD 1900/1700/850/2600 MHz (B2/B4/B5/B7) Compatible operating systems: Windows 2000/2003/XP/Vista/7/8/10, Linux Compatibility and accessories Requires a Nano SIM card (not included) Compatible with tablets, laptops, computers, mobile phones, and various Wi-Fi devices Installation Plug and play functionality; no CD driver needed Ensure computer software or firewalls allow USB modem driver installation Usage Can be