3.7M Ka band satellite Rx/Tx Antenna

Factory Price, OEM, ODM

● Meets or exceeds CCIR 580 and INTELSAT requirements

● Ring focus designed;

● High gain, low sidelobe, High G/T rate;

● Hot-dip zinc processed Antenna mount, with strong corrosion resistant ability;

● Linear or circular polarization optional;

● Reasonable structure and easy operation.

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Description

Specifications

3.7m KA Tx/Rx Antenna

ü Meets or exceeds CCIR 580 and INTELSAT requirements

ü Ring focus designed;

ü High gain, Low sidelobe, High G/T rate;

ü Hot-dip zinc processed Antenna mount, with strong corrosion resistant ability;

ü Linear or circular polarization optional;

ü Reasonable structure and easy operation.

Optional:

BUC, LNB, Modem, spectrum analyzer, moving foundation, de-icing equipment, BUC fix bracket, servo control system, motorized polarization, lightning protection device, installation tools, cable and connector.

RF specifications

Model	NS-SECK-370
Working frequency, GHz	Receive	Transmit
	17.7～21.2	27.5～31
Antenna gain dBi	56.21@19.95GHz	59.68@29.75GHz
Polarization	circular
Axial Ratio（2 port）circular	1.5dB	1.5dB
Axial Ratio（4 port）circular	1.0dB	0.75dB
VSWR	1.25:1	1.30:1
Noise temperature 10°Elevation 20°Elevation 30°Elevation 40°Elevation 50°Elevation	119K 87K 72K 65K 61K	/
G/T dB/K，30°El	32.88 （LNA=120K）	/
-3dB beam width	0.24°	0.18°
Insertion loss, dB	0.5	0.6
Tx power capacity, KW	/	2
Interface	WR-42	WR-28
Tx-Rx isolation, dB	85
RX / RX，TX / TX， dB	20
First Sidelobe 90% Peaks under Following envelop	-14 29 - 25 logθ（1°≤θ＜20°）

Mechanical specifications

Antenna diameter	3.7m
Antenna type	Ring focus
Antenna mount type	EL over AZ
RMS	≤0.3mm
Antenna weight（N.W）	800
Antenna travel range AZ EL Pol	0°～360° continuous 0°～90° ±90°°
Antenna drive mode	Manual or motorized

Environment specifications

Working wind speed	72 km/h
Without damage	216 km/h
Working temperature	-30℃～50℃
Humidity	100%
Solar radiation	1135Kcal/h/m²
Ice load	Work normally: 13mm ; without damage: 25mm
Seismic capacity	Horizontal: 0.3G; vertical: 0.1G
Surface treatment	Steel parts: hot-dip galvanized+primer paint+surface paint; Aluminum part: primer paint+surface paint

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