TW3040 Permanent Mount GPS L1 Antenna
The TW3040 by Tallysman Wireless is a professional
grade, permanent mount GPS L1 antenna, specially
designed for professional precision timing applications.
The TW3040 features a custom high performance, wide
band patch element, a 40dB gain LNA stage and a high
rejection out-of-band SAW filter. It provides ±10MHz
bandwidth centred on 1575.42 MHz and covers the GPS
L1, Galileo E1 and SBAS (WAAS/EGNOS/MSAS) signals,
and it provides great axial ratio, excellent circular
polarized signal reception, great multipath rejection
and great out-of-band signal rejection.
The TW3040 is housed in a permanent mount
industrial-grade weather-proof enclosure and two
options for pole mounting are available an L-bracket
(P/N#23-0040-0) or a pipe mount (P/N#23-0065-0).
TW3040 Dimensions (mm)
Flat Radome shown. Conical Radome also available
Applications
Mission Critical GPS Tracking & Timing
Precision Agriculture, Mining & Construction
Military & Security
Avionics
Law Enforcement & Public Safety
Fleet Management & Asset Tracking
Features
Great axial ratio
Low noise LNA: 1 dB
High rejection SAW filter
High gain: 40 dB typ.
Low current: 15 mA typ.
ESD circuit protection: 15 KV
Wide voltage input range: +2.5 to 16 VDC
Weather proof housing: IP67
Benefits
Excellent multipath rejection
Increase system accuracy
Excellent signal to noise ratio
Great out of band signal rejection
Ideal for harsh environments
RoHS compliant
TW3040 Permanent Mount GPS L1 Antenna
Specifications
Antenna
Vcc = 3V, over full bandwidth, T=25°C
Antenna Element Gain (100mm ground plane)
Axial Ratio (over full bandwidth)
4 dBic at 90°
4
dB at 90°
Electrical
Architecture
Frequency Bandwidth
Polarization
Gain
Out-of-Band Rejection
VSWR (at LNA input)
Noise Figure
Supply Voltage Range
Supply Current
ESD Circuit Protection
<1560 MHz
>1600 MHz
>1620 MHz
3 stage LNA circuit + a mid section SAW filter.
(Pre-filter option available)
1575 MHz ± 10 MHz
RHCP
40 dB min. (at 1575.42 MHz)
>42 dB
>31 dB
>45 dB
<1.5:1
1 dB typ.
+2.5 to 16 VDC nominal (12VDC recommended maximum)
15 mA typ.
15 KV air discharge
Mechanicals & Environmental
Mechanical Size
Operating Temp. Range
Enclosure
Weight
Environmental
Shock
Vibration
Warranty
66.5 mm dia. x 21 mm H
-40 to +85 °C
Radome: Dark Gray or White ASA Plastic,
Base: Zamak White Metal
150 g
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
Ordering Information
Legacy Part Number:
TW3040 – GPS L1 antenna,
Connector:
Radome Colour
32-3040-xx-yy
xx = 00 TNC
xx = 01 N Type (premium applies)
yy = 10 Dark grey low profile
yy = 11 White low profile
* As a result of a growing product portfolio, Tallysman has rationalized its part number system. No changes have
been made to the mechanical or electrical properties of these products. Where administratively possible, please
use the following Part Numbers.
TW3040 – GPS L1 antenna
33-3040-xx-yy-zzzz
Where xx = connector type, yy = type and colour of radome and zzzz = cable length 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
sales@tallysman.com
106 Schneider Road, Unit 3
Ottawa ON K2K 1Y2 Canada
Tel 613 591 3131
Fax 613 591 3121
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 2.2
Analogue and Mixed Signal
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