<P> The Motorola Bag Phone is the colloquial name for a line of personal transportable cellular telephones manufactured by Motorola, inc. from 1990 to 2000 . </P> <P> Motorola introduced the Bag Phone line in 1990 . These phones offered more durability and higher power output (up to 3 watts) than more conventional cell phones of the time, such as Motorola's own DynaTAC and MicroTAC handheld phones, making them popular for truckers, boaters, and people in rural areas . Because of their durability, many examples of these phones are still in working order today . </P>

When did the first bag phones come out