Open Means Open Means

Cellular Phone

What do you know about cell phones? Is yours a TDMA or a GSM? A dual band or a quad band? If you know the difference, you may be able to do well on this quiz!
in Mobile Telephony 14 years ago 114 responses
Cancel
This question is required.

Please wait..

Years,Months,Weeks,Days,Hours,Minutes,Seconds
Year,Month,Week,Day,Hour,Minute,Second
Please select minimum {0} answer(s).
Please select maximum {0} answer(s).

Quiz Categories