-
cell phones
By 1930, telephone customers in the United States could place a call to a passenger on a liner in the Atlantic Ocean.Air time charges were quite high, at $7in the 1930s a minute (about $92.50/minute in 2011 dollars). -
cell phones
Cell phones were invented many many years ago. Dr. Cooper is the one who invented the cell phone and he also made the first cell phone call on April of 1793. -
when thy\ey came out with the service
In 1946 in St. Louis, the Mobile Telephone Service came out. There were only three radio channels available, and call set-up required minutes. Although they were very popular and commercially successful. -
phone call
It was the incarnation of his vision for personal wireless communications, distinct from cell phone call. -
cell phone
other peopl wamted to make phone calls as they walk down the street to. they said that they should have the right to do it as well. -
martin cooper
Martin Cooper's role in the conceiving and developing the first cell phone directly impacted his choice to find and lead ArrayComm, a wireless technology and systems company that was found in 1992. -
ArrayComm
ArrayComm had also used its adaptive antenna technology to make the Internet "personal" for other people. -
anniversary
April 3, 2003 marked the 30th anniversary of the first public phone call placed on a cell phone. Martin Cooper was the first to make that phone cakk. -
interned and communication
people rely on the internet for there work and ther phones , entertainment and communication. -
freedom of people
people think its very exciting to make a boardband to people that had the same freedom as other for the cell phone.
