The Wireless Data Handbook, Fourth Edition by James F. DeRose

By James F. DeRose

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My own very early testing indicated that the terrestrial receiver leg was not particularly satisfactory. At least one-fourth of the pages were not received and an even higher percentage did not receive an ACK-back. But these problems are quite normal in the early stages of a network roll-out. Not so easily dismissed were lack of function and technical problems with the Motorola Tango pager. Replacement units, the Motorola PageWriter 250/2000, were brought to market in early 1997. The very low subscriber acceptance rates immediately ticked upward.

Motorola would henceforth concentrate on manufacturing hardware. A true two-way pager, the PageWriter, was announced for SkyTel2 the same year. Deployment on this narrow-band system had been initiated in 1995 with high hopes. In January 1997, BSWD formally announced6 its RAMfirst interactive pager, which was intended to be a head-to-head competitor with SkyTel2. 3 REPRESENTATIVE NATIONWIDE NETWORKS 27 internal struggle with Motorola, ARDIS soon followed. The fight for this competitive market segment was on.

It announced the ReFLEX transport protocol for two-way messaging, Motorola was not unmindful of the fact that 10 licenses had been awarded to six carriers; this was an unmistakable hardware opportunity. AT&T countered with its own personal Air Communications Technology (pACT) protocol. After a bitter fight a firmly entrenched Motorola won this battle. EMBARC failed in April 1996. Motorola’s competitive constraints and its inability to simultaneously build devices and operate a network were simply too much to overcome.

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