Ka Band Antenna
Ka Band Antenna

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. 


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. 


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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