The Aztech 56K USB V.92 modem delivers unparalleled high speed, reliable performance and guarantees uninterrupted 56K connection. Power packed with advanced features, it satisfies all your communication and telephony requirements. Designed with the latest USB technology, it is significantly faster than a serial port modem. Bus-powered, the Aztech 56K USB modem does not require any external power supply and it offers USB plug and play. Installing in seconds, you do not need to shut down or restart the PC to attach or remove the modem.Features:Hot Swappable. Automatic configuration Bus powered Light weight and compact design Universal Compatibility Truly Plug & Play, hassle-free installation No more bulky power supply Portable. One modem for both notebook and PC It is highly recommended to always use the most recent driver version available.Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games.Try to set a system restore point before installing a device driver. This will help if you installed a wrong driver. Problems can arise when your hardware device is too old or not supported any longer.