
(This means you will need a GSM cellphone that will work on 900MHz or 1800Mhz to use it in the Czech Republic.)
Frequency: GSM 900/1800
Website: t-mobile.cz
Coverage Map (NONE)
Frequency: GSM 900/1800
Website: www.cz.o2.com
Coverage Map (NONE)
Frequency: GSM 900/1800
Website: www.vodafone.cz
If you've used either of these networks or roamed in the Czech Republic, please post about your experience and the cost. Feel free to ask questions.