The Merlin XU870 wireless broadband HSDPA ExpressCard is a modem designed for use with laptops and mobile devices. Manufactured by MERLIN in China, this modem offers fast and reliable wireless internet connectivity through T-Mobile's network. It provides the capability to access the web on the go, making it an essential accessory for those needing a reliable and efficient internet connection while travelling or working remotely. It is also collectible vintage.