G24.A.305111 [TAOGLAS]
G24 ULTIMA SERIES;
Taoglas 
SPECIFICATION
Part No.
: G24.A.305111
Product Name
: G24 Ultima Series – Super Low Profile
Penta Band Cellular Antenna Screw-mount
GSM/GPRS/CDMA/HSPA
(Permanent mount)
Feature
: Height 20mm(0.77”) and diameter 55mm(2.16”)
Heavy duty screw mount
UV and vandal resistant PC housing and thread
IP67 compliant
Standard is 3 meter low loss cable NFC-200 SMA(M)
Cables and Connectors Customizable
ROHS Compliant
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1. Introduction
G24 Ultima Series Cellular Antenna is an extremely low profile 2G/3G 800MHz to
2200MHz cellular antenna solution for professional telematics applications. Suitable
for GSM/GPRS/CDMA applications worldwide, at only 20mm (0.77”) in height it is the
lowest profile antenna in the market, with a diameter of only 55 mm (2.16”). It works
well when mounted on both metal and non-metal. In other words it does not need a
metal ground-plane to attach to, to radiate, something that competitor antennas all
need. Taoglas recommend a minimum cable length of 70mm when used on a ground
plane to achieve an efficiency of greater than 20%.
Durable UV PC housing, thread and nut is resistant to vandalism and direct attack.
The IP67 waterproof robust plastic body makes it extremely light, economical for
shipping and minimum weight impact on vehicles. This also makes it ideal for use in
humid environments such as water pits or marine applications as there are no metal
parts to corrode. The closed cell foam with double-sided adhesive provides a
permanent waterproof seal and can adjust to different curvatures, stopping water
from leaking under the antenna into the mounting hole. Lowest loss PTFE cable is used
for maximum gain and reduced noise entry through the cable.
The G24 is also available in white.
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2. Specification
CELLULAR
824~896 880~960 1710~1880 1850~1990 1710~2170
Frequency (MHz)
Peak Gain (dBi)
2.0
-0.6
1.8
1.8
3.9
-0.2
3.1
3.9
1.7
3.1
1.7
3.9
1.7
3.1
2.0
Free space
0.7
1.8
0.0
10*10cm ground plane
20*20cm ground plane
30*30cm ground plane
0.0
1.7
Average Gain (dBi)
-4.1
-4.0
-3.3
-4.3
-6.6
-2.7
-4.9
-4.2
-4.4
-2.8
-4.0
-4.0
-4.4
-2.7
-4.0
-4.0
-4.4
Free space
-4.8
-4.3
-6.3
10*10cm ground plane
20*20cm ground plane
30*30cm ground plane
Efficiency (%)
39.1
33.8
36.9
23.4
39.3
46.2
36.9
53.4
32.1
52.5
40.0
39.3
36.0
53.4
40.0
39.3
36.0
Free space
10*10cm ground plane
20*20cm ground plane
30*30cm ground plane
Polarization
37.8
23.4
36.0
Linear
Radiation Pattern
Impedance
Omnidirectional
50Ω
Max Input Power
10 watts
MECHANICAL
55±2mm , Height 30±2 mm, Profile 19.6mm
2.16”; Height 1.18”; Profile 0.77”
Dimensions
Cable type
Cable length
Casing
NFC-200
3000±30mm(9’ 101⁄8”±1.18”)
PC
Connector
SMA Male
ENVIRONMENTAL
Temperature Range
Waterproof
-40°C to 85°C
IP-67
Thermal Shock
Shock (drop test)
Humidity
100 cycles -40°C to +80°C
1m drop on concrete 6 axes
Non-condensing 65°C 95% RH
180g
Weight
Recommended Torque for
Mounting
Max Torque for Mounting
3.92N∙m
4.9N∙m
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3. Antenna Characteristics
3.1
Cellular antenna SWR
3.2 Antenna Efficiency
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3.3
Peak Gain
3.4
Average Gain
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4 Antenna Radiation Pattern
4.1
Antenna Setup (Free Space)
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4.2 Radiation Pattern (Free Space)
4.2.1 XY Plane (dBi) (Free Space)
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4.2.2 XZ Plane (dBi) (Free Space)
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4.3
Antenna Setup (10*10cm Ground Plane)
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4.4 Radiation Pattern (10*10cm Ground Plane)
4.4.1 XY plane (dBi) (10*10cm Ground Plane)
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4.4.2 XZ plane (dBi) (10*10cm Ground Plane)
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4.5 Antenna Setup (20*20cm Ground Plane)
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4.6 Radiation Pattern (20*20cm Ground Plane)
4.6.1 XY Plane (dBi) (20*20cm Ground Plane)
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4.6.2 XZ plane (dBi) (20*20cm Ground Plane)
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4.7 Antenna Setup (30*30cm Ground Plane)
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4.8 Radiation Pattern (20*20cm Ground Plane)
4.8.1 XY Plane (dBi) (20*20cm Ground Plane)
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4.8.2 XZ Plane (dBi) (20*20cm Ground Plane)
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5 Installation
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6 Drawing
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7 Packaging
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8 Application Note
Taoglas recommend a minimum cable length of 60mm for this antenna when used on
a ground plane to achieve an efficiency of greater than 20%.
The poor return loss (see graph above) when used on a ground plane is a function of
such a small antenna. The complete system will still operate, though there may be
some extra energy used in the system to compensate for the power losses.
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Taoglas makes no warranties based on the accuracy or completeness of the contents of this document and
reserves the right to make changes to specifications and product descriptions at any time without notice.
Taoglas reserves all rights to this document and the information contained herein.
Reproduction, use or disclosure to third parties without express permission is strictly prohibited.
Copyright © Taoglas Ltd.
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