I went into one of the devices in Sawzaw's link, and found this on an eBay auction:


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Digital USB 2.0 DVB-T HDTV TV Tuner
Recorder & Receiver

Watch and Record Digital Terrestrial TV on PC or Laptop

Support Multi-Picture Display, Multi-National Languages

Support Windows 2000/XP/Vista32/Vista64
        

Description & Features:

    Watch and record digital terrestrial TV on PC or Laptop
    USB 2.0 interface
    Full bandwidth DVB-T reception (6/7/8 MHz)
    Still image snapshots
    Time-shifting
    Scheduled recording
    Digital TV recording and playback as DVD quality
    Support multi-picture display
    Support multi-national languages
    Support EPG (Electronic Program Guide)
    Support Teletext
    Support Microsoft BDA drivers
    Remote control
    Support Windows 2000/XP/Vista32/Vista64

    NOTE: This USB DVB-T Digital TV tuner contains a digial TV receiver for processing DVB-T MPEG-2 encoded signals found in many European countries and some Asian countries, it can't be used for USA, Canada, Mexico or some South American countries like: Brazil , Peru , Argentina , Chile , Venzuela and Ecuador. Before bidding, please check TV Standard DVB-T covered your country or not.If you want to buy the digital TV tunner for using in USA or Brazil , please click Our Ebay Shop Our Ebay Shop to find more information.

Specification:

    USB2.0 Interface
    Maxliner 5003s silicon tuner
    E3C EC168 Chipsets
    Terrestrial Antenna Input
    DVB-T Stick Size: 92mm(L)x 23mm(W) x13mm(H) Weight : around 25g
    Remote Control Size: 90mm(L)x35mm(W)x6mm(H) Weight : around 17g

Package Contents:

    1 x DVB-T USB STICK
    1 x Antenna
    1 x Remote Control
    1 x Installation CD-ROM