This device is a Huawei 5G CPE router (model H155-381 or similar Pro series) for the Zain network. Download speed: Up to 3.6 Gbps, while upload speed reaches 500 Mbps. SIM card type: Uses a Nano SIM. Technology: Supports Wi-Fi 6 technology with speeds up to 3000 Mbps. Cooling: Features a built-in, low-noise cooling fan. Zain only