Allied Telesis Omni Antenna AT-TQ0202E User Manual
Product codes
AT-TQ0202E
60 | Allied Telesis Product Catalog
Wireless
Wireless Antennas
ANTENNA
TYPE
GAIN (dBi)
ALLIED TELESIS TenQ ANTENNA MODEL
LOBE WIDTH (º)
POLARIZATION
2.4GHz
5GHz
Horizontal
Vertical
OMNI
2
AT-TQ0500
360
45
Vertical
5
AT-TQ0500
360
30
Vertical
8
AT-TQ0201E
AT-TQ0501E
360
17
Vertical
12
AT-TQ0202E
AT-TQ0502E
360
5
Vertical
PANEL
8
AT-TQ0221E
AT-TQ0521E
75
50
Vertical / Horizontal
15
AT-TQ0222E
AT-TQ0522E
30
30
Vertical / Horizontal
20
AT-TQ0223E
AT-TQ0523E
15
15
Vertical / Horizontal
SECTOR
12
AT-TQ0241E
AT-TQ0541E
120
15
Vertical
14
AT-TQ0242E
AT-TQ0542E
60
15
Vertical
18
AT-TQ0243E
30
15
Vertical
PARABOLIC
19
AT-TQ0261E
15
15
Vertical
23
AT-TQ0561E
7.5
7.5
Vertical
24
AT-TQ0262E
8
8
Vertical
27.5
AT-TQ0562E
5.2
5.2
Vertical
Antenna Types
Omni
Omnidirectional antennas
radiate power uniformly
in every direction on the
horizontal plane. Most access
points and client devices have
omnidirectional antennas.
in every direction on the
horizontal plane. Most access
points and client devices have
omnidirectional antennas.
Panel
A flat antenna with a radiation
lobe similar to a cone. It is
directional and is normally
used for point-to-point links or
at the end-points of a point-
used for point-to-point links or
at the end-points of a point-
to-multipoint network.
Sector
A flat antenna with a radiation
lobe similar to a cone with
an elliptical footprint. It is
directional and is normally
used in the central site of a
point-to-multipoint network.
directional and is normally
used in the central site of a
point-to-multipoint network.
Parabolic
A dish-shaped, directional
antenna with a radiation
lobe similar to that of a panel
antenna. It is usually larger
than a panel and has a higher
gain. Parabolic antennas are
suitable for long distance
point-to-point links.
than a panel and has a higher
gain. Parabolic antennas are
suitable for long distance
point-to-point links.
Gain
Gain expresses how much an antenna
enhances its transmitted and received
signals relative to a simple dipole. Gain is
expressed in dB and is logarithmic.
enhances its transmitted and received
signals relative to a simple dipole. Gain is
expressed in dB and is logarithmic.
Polarization
Defines the position in space of electrical
and magnetic fields. The best signal
transfer happens when both transmitting
and receiving antennas have the same
polarization. A 90° difference in
polarization between transmitting and
receiving antennas may produce up to
and magnetic fields. The best signal
transfer happens when both transmitting
and receiving antennas have the same
polarization. A 90° difference in
polarization between transmitting and
receiving antennas may produce up to
-30dB of signal attenuation.
Loss
Loss is the attenuation, or reduction in
power, of a system, expressed in dB. All
cables and connector devices have a loss
variable and must be considered when
designing a wireless system, especially
when directional antennas are used.
power, of a system, expressed in dB. All
cables and connector devices have a loss
variable and must be considered when
designing a wireless system, especially
when directional antennas are used.
Top View
Top View
Top View
Top View
Side View
Side View
LOW GAIN
HIGH GAIN
An omnidirectional antenna concentrates
the signal in a 360° belt around it.
The higher the gain, the thinner the
belt, resulting in a better signal far
from the antenna — but a narrower
from the antenna — but a narrower
communication area.
Panel and parabolic antennas have a
nearly circular footprint. Low gain panels
can be used for both short distance
point-to-point and point-to-multipoint
links as well as straight roads coverage.
High-gain panel and parabolic antennas
nearly circular footprint. Low gain panels
can be used for both short distance
point-to-point and point-to-multipoint
links as well as straight roads coverage.
High-gain panel and parabolic antennas
produce such a small spot that they
should be deployed only in medium- to
long-distance point-to-point links.
should be deployed only in medium- to
long-distance point-to-point links.
A sector antenna footprint is a horizontal
ellipse with a width of 30°, 60°, 90° or
120°. High gain sector antennas have a
vertically thinner footprint while keeping
the same horizontal width, suited for the
central site of a point-to-multipoint link or
coverage of a certain “sector” in mobile
networks.
the same horizontal width, suited for the
central site of a point-to-multipoint link or
coverage of a certain “sector” in mobile
networks.