Roanoke Times
Copyright (c) 1995, Landmark Communications, Inc.
DATE: TUESDAY, March 28, 1995 TAG: 9503280041
SECTION: EXTRA PAGE: 3 EDITION: METRO
SOURCE: DAVID BUTLER
DATELINE: LENGTH: Medium
A: In a nutshell, cellular phones provide wireless access to the wired telephone network. When you turn on a cell phone, there's no dial tone. Instead, an indicator shows the signal strength of the nearest cellular transmitter. To place a call, simply punch in the number and press "send." Once you hear the familiar ringing sound, you're connected to the wired telephone network.
The coverage area of a transmitter is referred to as a cell. If you pass from one cell to another during a conversation, the network automatically passes your call to the adjacent transmitter. However, if the next cell doesn't have a free channel, or if you've reached the outer boundary of your carrier's territory, your call will be unceremoniously dropped.
Cellular phones come in three varieties: A mobile is mounted in a vehicle. It has a separate three-watt transmitter unit and requires an external antenna. A transportable is similar to a mobile except it comes in a carrying case with built-in antenna and rechargeable battery. A portable is lightweight and self-contained, but its diminutive size means a less powerful transmitter (less than one watt).
The popularity of cellular phones has surged in recent years. Several factors have contributed to the phenomenal growth:
nPrices for cellular phones have plummeted. On top of that, retailers in most states collect substantial fees from cellular carriers (usually several hundred dollars) for bundling cellular phones with a service agreement. The net effect: many retailers practically give phones away!
Portables no longer command the hefty premium they once did. In fact, portables now outsell mobiles and transportables by a wide margin. At the same time, cellular ownership is becoming more diverse. Housewives and students have displaced on-the-go business executives as the typical cellular user.
To attract customers who only want a cellular phone for emergencies, some carriers offer calling plans with little or no monthly fee. However, airtime charges are higher - up to 75 cents per minute. Heavy users can get steep discounts by agreeing to pay a higher monthly fee. It pays to periodically check your bill to see if you can save by switching plans.
Cellular networks now cover most populated areas - many locales are served by two carriers. Not only do more people have access to cellular, but local coverage is improving as more cell sites are built. This means more reliable connections (especially for portables) and fewer "dead zones." In Washington, DC, one of the first "microcell" networks even extends coverage to the subway system!
Most people opt for the least expensive phone when signing up for cellular service. This can be an expensive mistake. Here's why: If you later decide to upgrade to a phone with more features, you not only will pay full price for the new phone, but the resale value of your starter phone will be nil. It's best to pay a little extra up front to get the features you want.
The concept of "roaming" is one aspect of cellular that always causes confusion. When you take your phone out of your area, you can usually make calls without doing anything special (you'll pay a surcharge). Receiving calls while roaming is another matter. Depending on your location, your caller may have to dial an access number or you may have to electronically register with a local carrier. More sophisticated cellular networks will soon make this entire process transparent to both parties.
To receive a list of companies that manufacture cellular telephones, replacement batteries and cellular other accessories, please send $1.50 and a self-addressed envelope to David Butler F-503, Department TWN, 14713 Pleasant Hill Road, Charlotte, N.C. 28278-7927. The list includes toll-free phone numbers and a summary of each company's products.
by CNB