LifeView manufacture a variety of TV receivers for the consumer market and for OEMs.
The LifeView company are not at all Linux friendly and you should avoid buying their DVB-T devices unless you have no alternative. LifeView supports only Windows and, in the case of the TV Walker Twin, they even refuse to support the device under Windows Vista.
Supported Devices (an incomplete listing)
- FlyVideo3000FM and FlyVideo3000
- FlyVideo3000 PAL-N
- FlyDVB-T Hybrid
- FlyDVB-T Hybrid CardBus
- FlyDVB-T Duo CardBus
- FlyTV Platinum
- LV5T 
Starting to be supported:
- TV Walker Twin (and )
- LifeView LR534 ... an OEM for Packard Bell
- TV Walker Q DVB-T ... see LifeView LR506
- TV Walker Studio Hybrid (LR505TF) ... maybe?
Currently not supported:
- LifeView LR535
- TV Walker Q Plus
- TV Walker P Plus
- TV Walker QQ