A Tallysman
Accutenna™
TW1600 Dual Feed Embedded Iridium™ Antenna
The TW1600 employs Tallysman’s unique
Accutenna™
technology in a low cost OEM dual feed, passive Right
Hand Circularly Polarized antenna (RHCP) for the
1616MHz to 1626MHz frequency band, specifically
designed to enhance the signal to noise ratio of
communications
over
the
Iridium™
satellite
communications network.
The wideband dual feed patch element in the TW1600
has an excellent axial ratio across the entire Iridium™
bandwidth. Unlike single feed antennas, the TW1600
provides excellent multipath rejection and a truly
circular transmission response across the Iridium™
band.
The TW1600 includes a built-in 35mm circular ground
plane but best performance is obtained with this
augmented with a local system ground plane or
reflecting surface equivalent to 100mm diameter (DC
connection not required).
OEM antennas are easily detuned by the local
environment. Tallysman offers custom tuning services
for optimized integration into OEM end-user modules.
TW1600 Dimensions (mm)
Applications
•
•
•
•
•
•
Higher C/No values for Iridium™ communications
Sea & Land Container Tracking
Military & Security
Fleet Management & Asset Tracking
Marine & Avionics Systems
Law Enforcement & Public Safety
Features
•
•
•
•
•
•
dual-feed, wide band
patch
Axial ratio, 3 dB over full bandwidth
High gain 4.5 dBic
Robust design
Small form factor
-40
o
C to +85
o
C Operation
Benefits
•
•
•
•
Better axial ratio at lower elevation angles
Higher Rx and Tx success rates
Compact form factor
RoHS compliant
TW1600 Dual Feed Embedded Iridium™ Antenna
Specifications
Antenna
Architecture
Antenna Gain (100mm ground plane)
Axial Ratio (over full bandwidth)
1.0 dB Bandwidth
Dual, quadrature feeds
4.5dBic
≤3dB
1605MHz to 1635MHz
Over full bandwidth, T=25°C
Electrical
Architecture
Polarization
VSWR (at antenna PCB)
Return Loss Bandwidth (-10 dB)
Dual Feed Patch -> Hybrid 90° Combiner
RHCP
<1.5:1
>20MHz
Mechanicals & Environmental
Mechanical Size
Cable
Operating Temp. Range
Weight
Attachment Method
Environmental
Shock
Vibration
Warranty
35mm dia. x 7.25mm
1.38mm OD, 15cm. Custom lengths optional
-40°C to +85°C
30g
Adhesive or M2 screw mount
RoHS compliant
Vertical axis: 50G, other axes: 30G
3 axis, sweep = 15 min, 10 to 200Hz sweep: 3G
One year – parts and labour
Ordering Information
Legacy Part Number:
TW1600 – OEM Dual Feed Iridium antenna,
32-1600-xx –yyyy-zz
Connector:
xx = 00 SMA male ,
01 = TNC male
02 = MCX male
03 = MMCX male 04 = SMB male
05 = MCX right angle male 06 = MMCX right angle male 07 = SMA female
08 = H.FL**
09 = U.FL
10 = SMA R/A**
11 = Reverse polarity SMA** ** Premiums apply. Please contact your Distributor
Cable length: yyyy = cable length in mm
Custom Tuning: zz = Assigned by Tallysman
*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.
TW1600 – OEM Dual Feed Iridium antenna 33-1600-xx-yyyy-zz
Please refer to the Ordering Guide
(http://www.tallysman.com/orderingguide.php)
for the current and complete list of available
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. © 2011 Tallysman Wireless Inc.
All rights reserved.
Rev 3
Robotics Development
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