almost the whole country...
It's possible that the radio frequencies used for mobile phones - were already in use in Cuba. The delay in introducing any service would be dependent on how quickly they could move other users to alternative frequencies.
Code Division Multiple Access or CDMA cell phones utilize a technology that permits the use of several frequencies at the same moment to send and receive data and voice transmissions. CDMA is newer radio technology that is designed to compete with the older Global System for Mobile Communications (GSM) network. As a result, CDMA phones cannot use GSM cell towers. Another difference is that GSM phones use SIM cards while CDMA phones do not.
They use micowaves, so they are transverse (def. oscillations are perpendicular to the direction of wave propagation).
Petro-Canada at http://mobility.petro-canada.ca/default.aspx offers Prepaid Cell Phones for use in Canada.
What kind of phones do prisoners use? ''cell phones''
Cell phones use radio waves for communication.
No, they do not have the same charger as all other cell phones but a Blackberry charger will be similar to some cell phones.
8.7% or people use their cell phones as alarm clocks.
Yes just about 66% of people die with the use of cell phones
None pupil can use cell phones in class. The reason is simple to understand.
Because they use cell towers to transmit calls.