Hello, I guess these are new to the dvb-usb scene, since a google search for "Sumvision T680 linux" brings up very few (and all unrelated to linux dvb) results. I have bought a Sumvision T680 usb stick. It was cheap (£20). It does not work in Linux. I modprobed every dvb-usb module (that is currently in stock ubuntu 7.04), none of which claimed it. I made a brief search through recent mailing list posts and the latest v4l-dvb source tree, which found nothing interesting or apparently relevant. Vendor/product Id is 0572:6813. How do I go about figuring out if this is something else rebadged or anything like that? Product webpage is http://www.sumvision.com.cn/results_pages.asp?product_type=22#1999 You can buy it in the UK from svp: http://svp.co.uk/products-solo.php?pid=1492 lsusb output below sig; any help is appreciated... Greg. the relevant part of lsusb -v is here (forgive the <s, it has been through diff): < Bus 005 Device 008: ID 0572:6813 Conexant Systems (Rockwell), Inc. < Device Descriptor: < bLength 18 < bDescriptorType 1 < bcdUSB 2.00 < bDeviceClass 255 Vendor Specific Class < bDeviceSubClass 255 Vendor Specific Subclass < bDeviceProtocol 255 Vendor Specific Protocol < bMaxPacketSize0 64 < idVendor 0x0572 Conexant Systems (Rockwell), Inc. < idProduct 0x6813 < bcdDevice 0.00 < iManufacturer 0 < iProduct 0 < iSerial 0 < bNumConfigurations 1 < Configuration Descriptor: < bLength 9 < bDescriptorType 2 < wTotalLength 171 < bNumInterfaces 1 < bConfigurationValue 1 < iConfiguration 0 < bmAttributes 0x80 < (Bus Powered) < MaxPower 100mA < Interface Descriptor: < bLength 9 < bDescriptorType 4 < bInterfaceNumber 0 < bAlternateSetting 0 < bNumEndpoints 0 < bInterfaceClass 255 Vendor Specific Class < bInterfaceSubClass 255 Vendor Specific Subclass < bInterfaceProtocol 255 Vendor Specific Protocol < iInterface 0 < Interface Descriptor: < bLength 9 < bDescriptorType 4 < bInterfaceNumber 0 < bAlternateSetting 1 < bNumEndpoints 6 < bInterfaceClass 255 Vendor Specific Class < bInterfaceSubClass 255 Vendor Specific Subclass < bInterfaceProtocol 255 Vendor Specific Protocol < iInterface 0 < Endpoint Descriptor: < bLength 7 < bDescriptorType 5 < bEndpointAddress 0x01 EP 1 OUT < bmAttributes 2 < Transfer Type Bulk < Synch Type None < Usage Type Data < wMaxPacketSize 0x0200 1x 512 bytes < bInterval 0 < Endpoint Descriptor: < bLength 7 < bDescriptorType 5 < bEndpointAddress 0x81 EP 1 IN < bmAttributes 2 < Transfer Type Bulk < Synch Type None < Usage Type Data < wMaxPacketSize 0x0200 1x 512 bytes < bInterval 0 < Endpoint Descriptor: < bLength 7 < bDescriptorType 5 < bEndpointAddress 0x02 EP 2 OUT < bmAttributes 2 < Transfer Type Bulk < Synch Type None < Usage Type Data < wMaxPacketSize 0x0200 1x 512 bytes < bInterval 0 < Endpoint Descriptor: < bLength 7 < bDescriptorType 5 < bEndpointAddress 0x04 EP 4 OUT < bmAttributes 2 < Transfer Type Bulk < Synch Type None < Usage Type Data < wMaxPacketSize 0x0200 1x 512 bytes < bInterval 0 < Endpoint Descriptor: < bLength 7 < bDescriptorType 5 < bEndpointAddress 0x86 EP 6 IN < bmAttributes 2 < Transfer Type Bulk < Synch Type None < Usage Type Data < wMaxPacketSize 0x0200 1x 512 bytes < bInterval 0 < Endpoint Descriptor: < bLength 7 < bDescriptorType 5 < bEndpointAddress 0x88 EP 8 IN < bmAttributes 2 < Transfer Type Bulk < Synch Type None < Usage Type Data < wMaxPacketSize 0x0200 1x 512 bytes < bInterval 0 < Interface Descriptor: < bLength 9 < bDescriptorType 4 < bInterfaceNumber 0 < bAlternateSetting 2 < bNumEndpoints 6 < bInterfaceClass 255 Vendor Specific Class < bInterfaceSubClass 255 Vendor Specific Subclass < bInterfaceProtocol 255 Vendor Specific Protocol < iInterface 0 < Endpoint Descriptor: < bLength 7 < bDescriptorType 5 < bEndpointAddress 0x01 EP 1 OUT < bmAttributes 3 < Transfer Type Interrupt < Synch Type None < Usage Type Data < wMaxPacketSize 0x0040 1x 64 bytes < bInterval 1 < Endpoint Descriptor: < bLength 7 < bDescriptorType 5 < bEndpointAddress 0x81 EP 1 IN < bmAttributes 3 < Transfer Type Interrupt < Synch Type None < Usage Type Data < wMaxPacketSize 0x0040 1x 64 bytes < bInterval 1 < Endpoint Descriptor: < bLength 7 < bDescriptorType 5 < bEndpointAddress 0x02 EP 2 OUT < bmAttributes 3 < Transfer Type Interrupt < Synch Type None < Usage Type Data < wMaxPacketSize 0x0200 1x 512 bytes < bInterval 1 < Endpoint Descriptor: < bLength 7 < bDescriptorType 5 < bEndpointAddress 0x04 EP 4 OUT < bmAttributes 2 < Transfer Type Bulk < Synch Type None < Usage Type Data < wMaxPacketSize 0x0200 1x 512 bytes < bInterval 0 < Endpoint Descriptor: < bLength 7 < bDescriptorType 5 < bEndpointAddress 0x86 EP 6 IN < bmAttributes 3 < Transfer Type Interrupt < Synch Type None < Usage Type Data < wMaxPacketSize 0x0200 1x 512 bytes < bInterval 1 < Endpoint Descriptor: < bLength 7 < bDescriptorType 5 < bEndpointAddress 0x88 EP 8 IN < bmAttributes 2 < Transfer Type Bulk < Synch Type None < Usage Type Data < wMaxPacketSize 0x0200 1x 512 bytes < bInterval 0 < Interface Descriptor: < bLength 9 < bDescriptorType 4 < bInterfaceNumber 0 < bAlternateSetting 3 < bNumEndpoints 6 < bInterfaceClass 255 Vendor Specific Class < bInterfaceSubClass 255 Vendor Specific Subclass < bInterfaceProtocol 255 Vendor Specific Protocol < iInterface 0 < Endpoint Descriptor: < bLength 7 < bDescriptorType 5 < bEndpointAddress 0x01 EP 1 OUT < bmAttributes 3 < Transfer Type Interrupt < Synch Type None < Usage Type Data < wMaxPacketSize 0x0040 1x 64 bytes < bInterval 1 < Endpoint Descriptor: < bLength 7 < bDescriptorType 5 < bEndpointAddress 0x81 EP 1 IN < bmAttributes 3 < Transfer Type Interrupt < Synch Type None < Usage Type Data < wMaxPacketSize 0x0040 1x 64 bytes < bInterval 1 < Endpoint Descriptor: < bLength 7 < bDescriptorType 5 < bEndpointAddress 0x02 EP 2 OUT < bmAttributes 1 < Transfer Type Isochronous < Synch Type None < Usage Type Data < wMaxPacketSize 0x0200 1x 512 bytes < bInterval 1 < Endpoint Descriptor: < bLength 7 < bDescriptorType 5 < bEndpointAddress 0x04 EP 4 OUT < bmAttributes 2 < Transfer Type Bulk < Synch Type None < Usage Type Data < wMaxPacketSize 0x0200 1x 512 bytes < bInterval 0 < Endpoint Descriptor: < bLength 7 < bDescriptorType 5 < bEndpointAddress 0x86 EP 6 IN < bmAttributes 1 < Transfer Type Isochronous < Synch Type None < Usage Type Data < wMaxPacketSize 0x0200 1x 512 bytes < bInterval 1 < Endpoint Descriptor: < bLength 7 < bDescriptorType 5 < bEndpointAddress 0x88 EP 8 IN < bmAttributes 2 < Transfer Type Bulk < Synch Type None < Usage Type Data < wMaxPacketSize 0x0200 1x 512 bytes < bInterval 0 < Device Qualifier (for other device speed): < bLength 10 < bDescriptorType 6 < bcdUSB 2.00 < bDeviceClass 255 Vendor Specific Class < bDeviceSubClass 255 Vendor Specific Subclass < bDeviceProtocol 255 Vendor Specific Protocol < bMaxPacketSize0 64 < bNumConfigurations 1 < Device Status: 0x0000 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