1The wireless transmission speed is up to 150mbps, and you will enjoy a powerful web browsing, chatting or online gaming experience. 2There are many applicable models, supporting desktops, laptops, tablets, and mobile phones. 3Multiscenario application, suitable for business office, travel party, selfdriving travel, and can enjoy the network anytime, anywhere. 4The portable router has a builtin lithium battery of 3000mah, which has a long battery life. 5The wireless router has fast and stable 4G internet for Europe / Southeast Asia / Africa. Item Type: Mobile HotspotMaterial: PlasticType: 4GInterface Type: WirelessTransmission Rate: 150mbpsApplicable Models: Desktop, Laptop, Tablet, Mobile PhoneLTE: B1 / 3 / 7 / 8 / 20 / 28AB / 38 / 40 / 41UMTS:B1 / B8Built-in Lithium Battery: 3000mahApplicable Area: Europe/Southeast Asia/Africa 1 x MobileHotspot1 x User Manual1 xUSB cable For those who cannot connect to wifi, the summary is as follows:1. The customer's card is not activated/inactivated, and there is no traffic, so the card cannot be transmitted.2. The customer inserts the card in the wrong position and inserts it into the memory card (the place where the SIM card should be inserted).3. The frequency band of the Sim card does not match the frequency band of the machine, and the customer needs to replace the sim card with the frequency band that matches the machine to use (for example, the customer's sim card is B2, B4, B7, B20) but the machine is (B1/B3) Yes, at this time, it cannot be used without a matching frequency band, and it cannot be connected 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, enter the IP address and account password in the browser) to open the software check the APN of the machine, and call the operator to ask for the detailed data of the APN. If it does not match, you can change it in the software, and you can basically connect.Please note: this product supports 4g sim card, the network is 4g, not 5g router.