Not only does this cable connector allow seamless notebook dial up capabilities, the phone cable can also be used with an HP Jornada 548 by using the serial port cable, which comes with the Jornada. This allows the compact flash socket to remain free. This leaves room for a memory card to handle any large downloads. Lets see a Palm Device handle a multi-meg download. This cable makes it all possible. With the greater amount of airtime included with most cell phone plans this cable makes a lot more $ sense than a mobile service like ricochet