New STC 5G modem, bought from STC, unopened for sale. * Model: Huawei H155-381 * Supports 5G and 4G * 5G speed up to 3.6Gbps download / 500Mbps upload * Wi-Fi 6 AX3000 speed up to 3000Mbps * Supports 2.4GHz and 5GHz bands * High-gain 5G antenna up to 11dBi * Supports up to 128 devices * Supports Nano SIM * Supports 5G NSA/SA * Gigabit LAN port and LAN/WAN port * Quiet cooling fan * Works on SIM cards depending on the device version