This modem supports all nano SIM USB and UART communication, and comes equipped with a 4G LTE FPC antenna for maximum signal strength. The status indicator LEDs make it easy to monitor connection status at a glance, so you can stay connected no matter where you are.

At the heart of the EC200U-CN is Quectel's advanced technology, which ensures fast and reliable data transfer speeds. The modem contains one integrated Universal Serial Bus (USB) interface which complies with the USB 2.0 specification and supports high-speed (480 Mbps) and full-speed (12 Mbps) modes.   

DATA SHEET : https://evelta.com/content/datasheets/004-EC200U-CN%204G%20LTE%20Hat%20Manual.pdf