This is a desktop 4G LTE WiFi router with four external antennas and 4 RJ45 ports, supporting up to 32 WiFi users. A SIM card is not included; you'll need to purchase one from local carriers to use this device. It provides high-speed 4G LTE WiFi access, supporting 32 WiFi users and 3 RJ45 LAN port users. It can also function as an Ethernet wireless router. This WiFi router supports both 3G and 4G networks. Laptops, computers, books, mobile phones, and various Wi-Fi devices can connect to the 4G WiFi router to access the internet. The router supports 4G/3G frequency bands: 4G: B1/B3/B5/B7/B8/B20/B38/B39/B40/B41, 3G: B1/5/8. Connector Type: EU Plug, suitable for Indonesia, etc. Voltage: AC 220V. Color: Black. Material: Plastic. Package Contents: 1 x Wireless WiFi Router, 1 x Adapter. (Note: Only the above package content is included; other products are not. Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.)