1. Not only a 4G USB modem, but also a USB Wi-Fi router. 2. With this dongle 4G, you only need to insert a sim card to use and share hotspot, no need to connect broadband (note: this product does not include sim card) 3. Simply plug the adapter into your computer's USB port to wirelessly connect to a network or create a hotspot. Up to 150Mbps wireless connection, you will enjoy a powerful web experience for surfing, chatting or online gaming 4. The 4G WiFi router can use the USB cable as a key and WiFi AP hotspot to browse the Internet, and can use the computer's USB port/mobile power/car/USB charger/charging power 5. Simply insert a SIM card to act as a wireless router, no setup required. Product name: 4G USB router Type: USB Modem Type: Lte 4G WiFi Dongle Format: FDD-LTE Network Type: 4G With or without SIM card: without SIM card Interface type: USB Drive: free drive Transfer rate: 150MBPS Network Type: Support Mobile// Frequency band: Normal version (Southeast Asia): B1/B3/B5 Support system: ANDROID, Windows Applicable models: desktop computer, laptop Product size: 95 x 33 x 11mm color:White Material:ABS Package Contents: 1 x 4G USB router Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.