The ASUS Dual-Band PCI-E WiFi adapter PCE-AC51 with antennas is a wireless network card designed for computers that support PCI Express x1 and PCI Express ports. With its dual-band technology, it allows for faster and more reliable wireless connections for a range of devices. The ASUS brand ensures quality and compatibility with a variety of systems, making it a reliable choice for those looking to upgrade their computer's network capabilities.