The mobile and transportable phones have more power and can make better connections than the portable and microportable models. Their power is usually 0.6 watts, so coverage in areas where cellular service is poor may be worse than mobile units. Consumers should consider features and conveniences when planning a cellular phone purchase and decide which is best for their usage. Select a model that meets the needs of how it will be used. Also, consider the service contract as a part of the cost of the phone.
Most carriers have plans based on common calling patterns.
They have a fixed fee for a monthly time allotment. Major differences between carriers can sometimes be hidden in fine print, warned Hildebrand. A carrier that charges a full minute for an extra second's air time is more expensive than one that measures air time in 30-second increments. Finally, think twice about using features such as conferencing or sports and weather hotlines since they run up air time. If you are not sure which plan is best for you, take the one with the lowest monthly fee until you learn your usage pattern.