This US Robotics Sportster 2400 modem is a vintage 1991 NOS item that has never been used before. It comes in an open box and is designed to fit PC computers. The multicolor modem is made by USRobotics. This modem is perfect for those looking for a vintage piece for their collection or for those in need of a working modem for their older PC. It is a great addition to any home networking and connectivity setup.