RoamTheWorldCellPhones.com

Cellphone GSM Frequencies: 900

(This means you will need a GSM cellphone that will work on 900Mhz to use it in Cuba.)

Cellular carriers for Cuba

Empresa de Telecommunicaciones de Cuba, SA (ETECSA)

Frequency: GSM 900
Website: www.cubacel.cu

Coverage Map

If you've used either of these networks or roamed in Cuba, please post about your experience and the cost. Feel free to ask questions.