Data Link Antenna

Datasheet

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Data Link Antenna

The 20-40-73 consists of a high strength, low loss cylindrical glass/ epoxy radome containing a vertical array of four co-linearly stacked dipoles combined in such a way as to maximize radiation in the horizontal plane (0° elevation).

The array is centre-fed enabling the antenna to be ground-plane independent.

The entire assembly is foam filled for long term environmental protection. It has an N type (female) connector and a 1 inch diameter metal fitting to enable mast-head mounting.

The top of the antenna has a spigot to locate a reflector element (ordered separately) enabling the antenna to have directivity over a sector of approximately 60°.

Covers Up and Down Data Link requirements
Supplied with base spigot for mast head mount
Ground Plane Independent
Pattern optimized for highest gain at horizon
Rugged design for all weather operation
At least 50 Watts CW
Approximately 5.5 pounds weight
Can be adapted for directional pattern with bolton reflector

	20-40-73
Model #	20-40-73
Brand	Cooper Antennas

Frequency	1295 - 1414 MHz
Gain (typical)	+7 dBi average
VSWR	≤ 2.0:1
Impedance (nominal)	50 Ohms
Power	50 Watts CW
Polarization	Vertical
Radiation Patern	Azimuth : omni directional Elevation : 3dB Beam Width 15° ±3°
Antenna RF Connector	N Female

Height	40 inches (1016mm)
Element Diameter	3 inches (79mm)
Diameter of Mounting Attachment	2 inches (51mm)
Weight (approx.)	1 inches (25mm)
Operational Temperature	-54°C to +70°C