User guide

ARGOS Tx/Rx Ultra Compact

Terminal Antennas

> Main use:

• Bi-directional data transmission (activity,

environmental or localization) for Argos 3 user

applications (boats, containers, etc.)

> Delivered documents:

• Typical performance data (TYMEDA

)

• Measured return loss

> Surface treatment:

• Alodine 1200 according to MIL-C 5541 E class 3

> Optional equipment:

• Radome for outdoor applications

> Related services:

• Maintenance

➊ TECHNICAL PERFORMANCE

• Maximum gain values at low elevation angles

• Rotational symmetry of radiation pattern

• Dual frequency operation (Tx and Rx)

• Natural circular polarization

➋ DESIGN

• Ultra compact dimensions compared

to the wavelength

• Lightweight

• Integrated diplexer

END-USER APPLICATION

Typical 3D radiation pattern

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> ARGOS Tx/Rx Ultra Compact Terminal Antennas Typical 3D radiation pattern END-USER APPLICATION > Main use: • Bi-directional data transmission (activity, environmental or localization) for Argos 3 user applications (boats, containers, etc.
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SATIMO/CNES patented smart design, no ground plane required. Electrical characteristics Part number SA-A Type of antenna Patch antenna Frequency bands Tx: 401.65 MHz (+30 KHz; -60 KHz) Rx: 465.78 MHz (±15 KHz) Average gain Max gain between 5° - 60° elevation - 1 dBc Gain variation over azimuth Rotational symmetric VSWR < 2.5 Polarization RHCP (LHCP optional) Return loss < -7.