Everything about Handset totally explained
A
transceiver is a device that has both a
transmitter and a
receiver which are combined and share common circuitry or a single housing. If no circuitry is common between transmit and receive functions, the device is a transmitter-receiver. The term originated in the early 1920s. Technically, transceivers must combine a significant amount of the transmitter and receiver handling
circuitry. Similar devices include
transponders,
transverters, and
repeaters.
Transceivers are called
Medium Attachment Units (
MAUs) in
IEEE 802.3 documents.
Ethernet
Transceivers known as
Medium Attachment Units were widely used in
10base2 and
10base5 Ethernet networks.
Fibre-optic gigabit and
10 gigabit Ethernet utilize transceivers known as
GBIC,
SFP,
XFP and
XAUI.
Radio technology
In
radio terminology, a transceiver means a unit which contains both a receiver and a transmitter. It was quite common to have these units separated.
Ham radio operators can build their own equipment and it's always easier to design and build a simple unit having one of the functions, transmitting or receiving. Almost every modern amateur radio equipment is now a transceiver but there's an active market for pure radio receivers, mainly for
Shortwave listening operators. An example of a transceiver would be a
walkie-talkie, or a
CB radio.
Telephony
On a wired
telephone, the
handset contains the transmitter and receiver for the
audio. The whole unit is colloquially referred to as a "receiver." On a
mobile telephone or other
radiotelephone, the entire unit is a transceiver, for both audio and radio.
A
cordless telephone uses an audio and radio transceiver for the handset, and a radio transceiver for the
base station. If a
speakerphone is included in a wired telephone base or in a cordless base station (less common), the base also becomes an audio transceiver in addition to the handset.
A
modem is also a transceiver, but is usually called by its own name rather than the more generic one.
Sources
External articles
Patents
, John Stone Stone, "Apparatus for Simultaneousl transmitting and receiving space-telegraph signals"
, A. J. Kloneck, "Simultaneous sending and receiving system"
, A. J. Kloneck, "Simultaneous sending and receiving system"
, C. Le G. Fortescue, "Combined wireless sending and receiving system"
General
7 MHz SSB TRANSCEIVER 
7 MHz SSB TRANSCEIVER
Further Information
Get more info on 'Handset'.
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