Ear-to-Mouth Ratio
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The relative positions of the mouth and ear on an adult head. Motorola pays
particular attention to this ergonomic factor in designing all its phones.
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EDGE
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(Enhanced Data rates for GSM (Global) Evolution) EDGE is a high-speed mobile
data and internet access technology offering GSM operators an economical and
spectrally efficient next generation network in today's GSM spectrum.
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Electronic Lock
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When activated the phone will automatically lock each time it is turned off to
help prevent unauthorized use.
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Electronic Scratchpad
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Acts as a message pad and allows storage of a number during a call. Numbers
can also be stored in permanent memory if desired.
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Electronic Serial Number
(ESN)
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A unique unchangeable number that is built into the phone and is transmitted by
the phone as a means of identifying itself within the system.
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E-Mail
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The electronic transfer and storage of written messages.
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Emergency One-Touch
Dialing
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A memory location reserved for storing an important number. The number can be
accessed and called even if the phone is locked.
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EMS (Enhanced
Messaging Service)
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Utilizes SMS but adds the ability to incorporate simple graphics, pictures, sound,
and animations. With this, the user can add an actual emotion to a message;
give someone a full birthday wish (with the text, the actual song, and a graphic
of a birthday cake).
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E-OTD
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(Enhanced Observed Time Difference) is a method used for determining mobile
station (MS) location in terms of universal latitude and longitude coordinates.
This capability has been mandated for wireless carriers in the United States by
the Federal Communication Commission so emergency callers can be easily
located in times of crisis. The E-OTD positioning method is based on MS
calculated differences in arrival time of bursts (signals) from a nearby pairs of
cellular base stations.
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Error Correction
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Digital technology's ability to verify the validity of the transmitted information
and to automatically correct for errors caused by interference.
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Feature Menu
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Allows easy access and activation of frequently used features. User can utilize
numerous features accurately and easily.
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Fixed Dialing
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With this feature activated, your phone will only allow calls to numbers you have
programmed on your Fixed Dial list.
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Floor Control
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The ability to gain access to speak while active in a Push To Talk session.
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Fold-Down Antenna
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(Transportables) The design of the transportable's antenna allows it to swivel
360 degrees and fold flat in any direction, so providing convenient storage.
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Frequency Reuse
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Technology that allows frequencies to be reused after they have been vacated
by a cellular user leaving that particular cell. One measure of a system's
effectiveness is how far the initial user of a specific frequency must travel away
from the cell site before the frequency may be reused.
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Fringe Area
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The outermost range of a cellular system where cellular signals may be weaker.
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Full Duplex
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Incoming and outgoing audio can occur simultaneously, so user can speak and
listen at the same time.
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Function Keys
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The non-numeric keys on your phone used to access and navigate menu
features, as well as perform memory functions.
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General Packet
Radio Service
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(GPRS) General Packet Radio Service is a wireless data transmission service
based on packet transmission. For example, if an e-mail is sent by GPRS it will
be reduced into 'packets' of information. Each individual packet travels to its
destination by the quickest possible route. This means the different packets
from the same mail can travel separately through foreign networks around the
globe in order to avoid obstructions. At the pre-set destination they are rebuilt
and presented to the recipient as a whole.
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Glass Mount Antenna
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Mobile antenna type usually mounts on the rear window without drilling any holes.
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Group Call
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The ability for Push To Talk users to initiate or participate on a call, simul-
taneously, with several participants. Talk Groups must be established via the
Push To Talk website prior to initiating a group call.
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Group/Talk Group
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Any distinct set of individual contacts combined to form a unique unit with which
the user may contact simultaneously. The user must assign a different identifying
name to each talk group. Only other pre-assigned Push To Talk contacts may be
added to talk groups.
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GSM
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GSM is the pan-European standard for digital cellular telephone service. It is also
one of the technologies available in the Americas. GSM was designed for markets
to provide the advantage of automatic, international roaming in multiple countries.
The SIM (Subscriber Identification Module) card is a vital component in GSM
operation. The user can store all relevant data for the phone on a removable
plastic card. The card can be plugged into any GSM compatible phone and the
phone is instantly personalized to the user.
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