$3,995. That was the price of a Motorola DynaTAC 8000X, the first commercially available cell phone, when it was introduced in 1983. The 2 1/2-pound brick was the result of a decade of research that cost more than $100 million, and it became a symbol of power and wealth.hat was the price of a Motorola DynaTAC 8000X, the first commercially available cell phone, when it was introduced in 1983.