Portable Digital Tv Reviews Supersonic Can A Portable TV Use A Coaxial Cable?

Can a portable TV use a coaxial cable? - portable digital tv reviews supersonic

Is a portable TV like the following:
http://reviews.cnet.com/flat-panel-tvs/axion-axn-8701/4505-6482_7-33414206.html
Use a coaxial cable as follows:
http://www.computingsolutions.ca/catalog/images/5ft. 20cable.jpg 20coaxial%%

If not, there is a portable digital TV, which can be connected to a wired network with a coaxial cable? Or a digital tuner largely replace the need for coaxial cables?