A Tallysman
Accutenna™
TW3710/3712 Multi-Constellation Fixed Mount Antenna
The TW3710 / TW3712 employs Tallysman’s unique
Accutenna™
technology covering the BeiDou B1,
Galileo E1, GPS L1, GLONASS G1 and SBAS (WAAS,
QZSS, EGNOS & MSAS) frequency band (1557 to 1606
MHz). It provides truly circular response over its
entire bandwidth thereby producing superior
multipath signal rejection. It is especially suitable for
high accuracy applications, and also offers high out of
band signal rejection.
The TW3710/TW3712 features a dual-feed
wideband patch element, with a two stage Low Noise
Amplifier, comprised of one input LNA per feed, a
mid section SAW to filter the combined output, and a
final output gain stage. This configuration provides
excellent axial ratio that is constant across the full
frequency band.
The TW3710/TW3712 are housed in a through-hole
mount, weather-proof enclosure for permanent
installations. L Bracket or Pipe Mount adapters (part
numbers 23-0040-0, 23-0065-0 respectively) are
available for non-rooftop installation. A 100mm
ground plane is recommended for non-roof-top
installations.
TW3710 / TW3712 Dimensions (mm)
Applications
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High Accuracy & Mission Critical Global Positioning
Precision Agriculture, Mining & Construction
Military & Security
Avionics
Law Enforcement & Public Safety
Fleet Management & Asset Tracking
Features
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Covers all GNSS Frequencies
Great axial ratio: 1 dB typ.
Low noise LNA: 1 dB
High rejection SAW filter
High gain LNA: 28 dB typ.
Low current: 15 mA typ.
Wide voltage input range: 2.5 to 16 VDC
Benefits
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Excellent circular polarisation
Excellent multipath rejection
Excellent signal to noise ratio
Great out of band signal rejection
Increased system accuracy
Ideal for harsh environments
RoHS compliant
TW3710/3712 Multi-Constellation Antenna
Specifications
At; Vcc = 3V, over full bandwidth, T=25°C
Antenna
Architecture
2 dB Bandwidth
Antenna Gain (with 100mm ground plane)
Axial Ratio (over full bandwidth)
Dual, Quadrature Feeds
49 MHz
4.75 dBic
<2 dB typ., 3 dB max.
Electrical
Filtered LNA Frequency Bandwidth
Polarization
LNA Gain
Gain flatness
Out-of-Band Rejection
<1500 MHz
<1540 MHz
>1640 MHz
VSWR (at LNA output)
Noise Figure
Supply Voltage Range (over coaxial cable)
Supply Current
ESD Circuit Protection
1557 to 1606 MHz
RHCP
28 dB min.(TW3170), 26dB (TW3712)
+/- 2 dB, 1557 to 1606 MHz
>40 dB (TW3710)
>70dB (TW3712)
>20 dB
>40dB
>45 dB
>70dB
<1.5:1
1 dB typ. (TW3710)
3.5 dB typ (TW3712)
2.5 to 16 VDC nominal (12VDC recommended maximum)
15 mA typ, 20mA max. at 85°C.
15 KV air discharge
66.5 mm dia. x 21 mm H
-40 to +85 °C
Radome: ASA Plastic, Base: Zamak White Metal
150 g
Permanent ¾” (19mm) through hole mount
IP67 and RoHS compliant
Vertical axis: 50 G, other axes: 30 G
3 axis, sweep = 15 min, 10 to 200 Hz sweep: 3 G
One year, parts and labour
Mechanicals & Environmental
Mechanical Size
Operating Temp. Range
Enclosure
Weight
Attachment Method
Environmental
Shock
Vibration
Warranty
Ordering Information
TW3710 – Multi-Constellation antenna 33-3710-xx-yy-zzzz
TW3712
33-3712-xx-yy-zzzz
Where xx = connector type, yy = shape and colour of radome, and zzzz = length of cable in mm (where applicable)
Please refer to the Ordering Guide
(http://www.tallysman.com/orderingguide.php)
for the current and complete list of
available radomes and connectors.
Tallysman Wireless Inc
106 Schneider Road, Unit 3
Ottawa ON K2K 1Y2 Canada
Tel 613 591 3131
Fax 613 591 3121
sales@tallysman.com
The information provided herein is intended as a guide only and is subject to change without notice. This document is not to be
regarded as a guarantee of performance. Tallysman Wireless Inc. hereby disclaims any or all warranties and liabilities of any kind.
© 2010 Tallysman Wireless Inc. All rights reserved.
Rev 2