The NETGEAR AirCard 340U USB Modem is a black device that provides mobile broadband connectivity through AT&T's network. With a maximum wireless data rate of 100 Mbps, this USB modem allows for fast and reliable internet access on the go. Its versatility in connectivity options, including Wi-Fi and USB, along with its unlocked feature, make it a convenient and flexible option for users looking for a reliable internet connection wherever they are. With its dual-band technology and 4G capabilities, the NETGEAR AirCard 340U offers seamless and high-speed internet access for a variety of devices.