General description This portable 4G Router Wireless Wifi Modem allows up to 8 users to connect simultaneously, providing high-speed internet access on the go. It features a built-in rechargeable lithium battery and supports both 3G and 4G networks, making it versatile for various devices such as tablets, laptops, and mobile phones. The device is compact and designed for easy portability. Technical specifications 4G chipset capacity: 150 Mbps Download speed: 1 - 20 Mbps in practical use Supported frequency bands: 4G: B1/B3/B5/B7/B8/B20/B38/B39/B40/B41; 3G: B1/B5/B8 Battery: Rechargeable lithium battery Color: White Material: ABS Dimensions: Measurement allowed error is +/- 1-3 cm Compatibility and accessories Compatible with Nano SIM cards Works with various devices: tablets, laptops, computers, and mobile phones Does not include SIM card; users must purchase a SIM card from local operators Installation Charge the device for 3 hours using a 5V1A charger before first use Ensure