Keyspan has introduced new versions of its USB PDA Adapter and High Speed Serial Adapter. The new PDA Adapter can now hot sync at 115 Kbps, offers support for Psion organizers, and includes a three-foot detatchable USB cable. The Serial Adapter now supports transfer rates up to 230 Kbps, is compatible with more devices, and also features a three-foot detatachable USB cable. The products are available now for US$39 and $59, respectively.