Sends and receives radio signals › Making a call: Your voice is transmitted into a radio wave, sent out through your antenna and sent to a base antenna Inside: Speaker, keyboard, microphone, display screen and circuit board › Connected to a wireless network
Martin Cooper was the general manager of Motorola's Communications Systems Division. On April 3, 1973 in New York Martin made the first public mobile phone call.
Signifies first generation First generation cell phone standards 1G Second Generation Took cell phones from analog to digital 2G Third Generation More data-demanding ways (streaming videos) 3G Forth Generation Highest-Speed wireless service 4G
inches, 2 ½ pounds, 30 circuit board grams, GSM 900
inches, 3.5 ounces, 10 MB internal inches, 4.8 ounces, 256 MB