Beautiful prototypes developed by Motorola in 70s. This research led to the release of the first truly portable commercial phone in history - the iconic Motorola DynaTAC 8000X, in 1983. The price of this phone was $4000 ($9500 in present-day money) and it had half hour of battery life.
DynaTAC is a series of cellular telephones manufactured by Motorola, Inc. from 1984 to 1994. The Motorola DynaTAC 8000X commercial portable cellular phone, received approval from the U.S. FCC on September 21, 1983. , and became the first cell phone to be offered commercially in 1984. It offered 30 minutes of talk time and 8 hours of standby, and a LED display for dialing or recall of one of 30 phone numbers. It was priced at $3,995 in 1983