They provide mobile broadband service via dongles and modems. Wireless USB modems are nicknamed as "dongles". The Windows XP Bluetooth stack supports external or integrated Bluetooth dongles attached through USB. Embedded scheduling software serves transmission via dongles to enabled Bluetooth receivers. The first LTE USB dongles do not support any other radio interface. Bluetooth beacons can also come in the form of USB dongles. Devices would eventually include USB dongles, netbooks, portable DVD players and in-car displays. A broad variety of Bluetooth USB dongles are supported by the ng ubt driver. Special-purpose uses included software protection dongles and even the TelePort modem. Some proprietary USB dongles existed at the time, but lacked in certain ways. Various Bluetooth dongles are delivered with an obsolete or demonstration version of Bluesoleil. However, many Toshiba external floppy drives and dongles used this same JAE connector. It is used in a few kids tablets and low-cost Android HDMI TV dongles. The support for HDMI and D-sub ports is also achieved through separate dongles. As of 2013, it was targeted at tablets and Android TV dongles and boxes.