1.8m Earth Station Ka Rx/Tx Antenna

Product Detail

Electrical Specifications

Type	KA-180A
Operating Frequency, GHz	KA-Band
	Receive	Transmit
	17.7~21.2	27.1~31
Gain, Mid-band, dBi	50.7	54.1
Polarization	LHCP/RHCP
XPD(on Axis), dB	35		35
XPD across 1dB Beam Width, dB	30		30
VSWR	1.25:1		1.25:1
Antenna Noise Temperature 2-port feed 10° Elevation 30° Elevation 50° Elevation	65K 55K 50K
-3 dB Beam Width, Mid-band	0.54°		0.36°
Typical G/T	=32dB/K at 20°elevation
Tx. Power Capability, KW			0.5
Feed Interface	WR-42		WR-34
Feed Insertion Loss, dB	=0.4		=0.3
Isolation, Tx to Rx, dB	85
First Sidelobe 90% Peaks under Following Envelop	-14 29-25lg? (1°=?=20°)

Mechanical Specifications

Antenna Diameter			1.8m
Antenna Type			Ring focus
Surface Accuracy(RMS)			=0.3 mm
Antenna Pointing Range		Azimuth Elevation Polarization	0°~360° 0°~ 90° (Continuous) ±90°(Continuous)
Drive Mode			Manual or Motorized
Motor Drive System	Azimuth Travel Rate Elevation Travel Rate		0.11° /s ( 0.06° /s) 0.17° /s ( 0.08° /s°)

Environmental Specifications

Operational Wind	79km/h gusting to 97km/h
Survival Wind	200km/h
Temperature	- 20°C ~+ 48°C
Relative Humidity	100?