The Hawking Technologies V90 USB Data/Fax (PN580U) is a modem card that provides a maximum data rate of 56 KBps. With V.90 standards, it is designed to facilitate fast and efficient fax transmission. The USB connectivity allows for easy integration with a variety of devices, making it a versatile and reliable option for those in need of a high-speed modem solution. The Hawking brand ensures quality and performance in this essential computer component.