The TW-A0004 is a man portable tactical HF directional antenna system designed for rapid deployment in the field. It is ideal for high-power and long-range HF communications.

The antenna system consists of a multi-wire travelling-wave antenna that gives good directivity throughout the frequency range.

The TW-A0004 can be connected directly to 50 ohm transmitters without the need for an antenna matching unit. The VSWR is below 2.5:1 over the entire frequency range from 1.5 to 30 MHz and the antenna is rated for a transmitter power of 2.5 kW continuous (4 kW PEP). The TW-A0004 can be deployed by two persons in less than 60 minutes including the mast.

Active / Passive		Passive
Dimensions (m)		100 m x 2 m x 10 m deployed< 450 mm x 450 mm x 1750 mm packed
Mass (kg)		15
Maximum VSWR		< 2.5:1
Polarisation		Vertical
Power Handling (W)		2500
Size (m)		100
1. End Frequency (MHz)		30
1. Start Frequency (MHz)		1.5

Alaris Antennas

From its roots in 1990, Alaris Antennas has grown to become a substantial supplier of advanced Electronic Warfare (EW) antennas. Alaris Antennas is part of Alaris Holdings (Pty) Ltd.

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TW-A0004 Man-Portable HF Directional Antenna

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