[European 4G LTE Compatibility]Designed specifically for European 4G LTE networks, supporting frequencies B1/3/5/7/8/20/38/40/41. Ensure your SIM card is compatible before use. [Multi-Device Support]Connect up to 20 devices simultaneously, with a WiFi coverage range of 200 meters, perfect for sharing internet access in various settings. [Enhanced Signal Strength]Equipped with four high-gain 5dBi antennas, improving router sensitivity and signal quality for both 4G LTE and WiFi connections. [High-Speed Connectivity]Enjoy download speeds up to 150 Mbps, upload speeds up to 50 Mbps, and wireless transmission speeds up to 300 Mbps for seamless internet experience. [Versatile Connectivity Options]Features 5 LAN ports and 1 SIM card slot, providing flexible networking solutions for various devices and setups. Specifications: Model: Cat7 C521-E (Eurasian version) Material: ABS Chip: ASR1803S Frequency band: FDD: B1.3.5.7.8.20.28A.28B TDD: B38.40.41 WCDMA: B1.5.8 Transmission rate: 300Mbps