Aprés avoir verifié la compatibilité sur le site linuxtv , voila la clé:

Hauppauge WinTV-NOVA-T-Stick

Lorsqu'on la branche:

$ tail-f /var/log/syslog
Mar 22 22:42:47 k8 kernel: usb 1-2.1.3: new high speed USB device using ehci_hcd and address 7
Mar 22 22:42:47 k8 kernel: usb 1-2.1.3: configuration #1 chosen from 1 choice
Mar 22 22:42:47 k8 kernel: dib0700: loaded with support for 2 different device-types
Mar 22 22:42:47 k8 kernel: dvb-usb: found a 'Hauppauge Nova-T Stick' in cold state, will try to load a firmware
Mar 22 22:42:47 k8 kernel: dvb-usb: did not find the firmware file. (dvb-usb-dib0700-01.fw) Please see linux/Documentation/dvb/ for more details on firmware-problems. (-2)
Mar 22 22:42:47 k8 kernel: usbcore: registered new interface driver dvb_usb_dib0700

# lsusb
...
Bus 001 Device 007: ID 2040:7060 Hauppauge
...

dvb_core (et autres) est chargé, mais pas de /dev/dvb

# apt-get install kaffeine