ORBIT FR ARGOS Tx, Rx Ultra User Manual

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ARGOS Tx/Rx Ultra Compact
Terminal Antennas

Typical 3D radiation pattern

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END-USER APPLICATION

> Main use:

• Bi-directional data transmission (activity,

environmental or localization) for Argos 3 user
applications (boats, containers, etc.)

> Delivered documents:

• Typical performance data (TYMEDATM)

• 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

Mechanical characteristics

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 < -7.5 dB

Isolation Rx/Tx > 50 dB

Impedance 50 Ohms

Typical elevation cuts at 401.65 MHz

Part number SA-A

Dimensions
(diameter x height) 120 mm x 60 mm

Weight (approx) 150 g

Connector SMA Female

Operating temperature -40°C to +60°C

Typical elevation cuts at 466 MHz

> Localization & Safety

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