1With wireless transmission speed up to 150mbps, you will enjoy a powerful web browsing, chatting or online gaming experience. 2 Applicable to many models, supporting desktops, notebooks, tablets, and mobile phones. 3 multi-scenario applications, suitable for business offices, travel gatherings, self-driving tours, and you can enjoy the Internet anytime and anywhere. 4 The portable router has a built-in 3000mAh lithium battery with long battery life. 5 wireless routers provide fast and stable 4G Internet to Europe/Southeast Asia/Africa. Project Type: Mobile Hotspot Material: Plastic Type: 4G Interface Type: Wireless Transmission Rate: 150mbps Applicable Models: Desktop, Laptop, Tablet, Mobile Phone LTE: B1/3/7/8/20/28AB/38/40/ 41UMTS: B1/B8 Built-in lithium battery: 3000mah Applicable areas: Europe/Southeast Asia/Africa 1 x MobileHotspot1 x User manual 1 x USB cable For those who cannot connect to wifi, the summary is as follows: 1. Customer card is not activated/deactivated, no traffic, cannot transfer card. 2. The customer inserted the card in the wrong position and inserted the memory card (where the SIM card should be inserted). 3. The frequency band of the SIM card does not match the frequency band of the machine. The customer needs to replace the SIM card with a frequency band that matches the machine to use it (for example, the customer's SIM card is B2, B4, B7, B20) but the machine is (B1/B3), and there is no It cannot be used if it matches the frequency band and cannot connect to WiFi.4. The frequency band of the machine matches the frequency band of the SIM card, but still cannot connect to WiFi. At this time, let the customer connect to the computer and the software will be installed automatically (or use the computer to connect to WiFi and enter the IP address and account password in the browser). Open the software to view the APN of the machine, and call the operator to ask for detailed APN data. If it doesn't match, it can be changed in the software and it can basically be connected. Please note: This product supports 4g sim card, the network is 4g, not a 5g router.