This is a used unit and shows some signs of it. Tested working

The Sierra Wireless AirPrime PN01C Qualcomm 4G LTE WWAN Card EM7355 is a wireless network card with two ports that is designed for use in computers and tablets. It is a high-speed device that supports 4G LTE connectivity, allowing for fast and reliable wireless internet access. The card is manufactured by Sierra Wireless, a reputable brand known for its quality wireless products. This model specifically features Qualcomm technology, ensuring smooth performance and compatibility with various devices. It is an essential add-on component for those looking to enhance their wireless networking capabilities.