2. At the end of the lesson, student should
be able to:
Identify various types of wireless communication
media such as:
Infrared
Radio waves
Satellite
3. Infrared
Using infrared light
waves
To communicate,
infrared devices often
must be within about 5
meters (15 feet).
4. Radio waves
IEEE 802.15.1
Bluetooth technology uses
short-range radio waves
to transmit data between
two bluetooth devices
The data transfers
between devices at a rate
of 1Mbps.
To communicate, bluetooth
devices often must be
within about 10 meters
(33 feet)
5. Radio waves
IEEE 802.11b/IEEE 802. 11g
WiFi (Wireless Fidelity):
The data transfers
between devices at a rate
of 11-54 Mbps.
To communicate, WiFi
devices often must be
within about 30 meters
(100 feet)
6. Satellite
Is a space station that
receives microwave
signals from an earth-
based station,
amplifies (strengthens)
are signal back over a
wide area to any
number of earth-
based stations.