MOBILE TELEPHONY
Mobile Telephony Choices
Different Technologies
There are several choices for mobile telephone service in the United States. Some of these services differentiate themselves by offering additional features compared to "standard" mobile service, while others are the natural evolution of technology over time, taking advantage of newer digital technology.
One of the lesser known mobile services available is something called Specialized Mobile Radio or SMR. SMR, which operates in two different frequency bands between 806 and 866 MHz, was originally intended for use as a wireless dispatch service (think taxi cabs). Today, it has evolved into a combination dispatch and mobile phone service. This combination service distinguishes SMR ...
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