http://www.linuxcompatible.org/index.php Last 20 items on Linux Compatible Esselbach Storyteller CMS System http://www.linuxcompatible.org/Modem_3G_Merlin_XU870_c13622.html This product has been tested on the following operating systems: Fedora Core and has a average rating of 5<br /><br />The last rating (5) has been submitted on 2007-10-14 15:10:28 by Anonymous running Fedora Core:<br />Officially supported by vendor! Works great, only configuration required. http://www.novatelwireless.com/products/expresscard/merlin-xu870.html Linux support: http://www.novatelwireless.com/support/merlin-xu870-linux.html The only thing that is not mentioned at the Linux support is that if your SIM cars needs the PIN to be entered you must send: AT+CPIN=1234 before any other command (like in any other mobile). Very nice, stable (no problems, no hangups and so on) product. Full model description: NRM-XU870 Fedora 7, kernel 2.6.22.9-91.fc7, 64 bit. IBM Thinkpad T61 8897-CTO