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450MHz Antennas
Trunking Communication Series Base Station Antennas
CDMA 800MHz Series Base Station Antennas
GSM 900MHz Series Base Station Antennas
CDMA/GSM 800/900MHz Series Base Station Antennas
DCS 1800MHz Series Base Station Antennas
Base Station Omnidirectional Antenna
Antenna Mounting Configuration
Electrical Downtilt Antennas
TD-SCDMA The design guideline of smart antenna in current phase
Microwave Antennas
Indoor Coverage
Other Antenna Series
Passive Devices
Active Devices
Accessories For Antennas And Feed System
Electrical Downtilt Antennas
3-SECTOR Electrical Downtilt Antennas----GX1800/1900/2000S3A-18-DC
GX1800/1900/2000S3A-18-DC
Electrical specifications
Frequency range (MHz)
1710-1880
1850-1990
1920-2170
VSWR
≤1.4
≤1.4
≤1.4
Impedance(Ω）
50
50
50
Polarization
±45°
±45°
±45°
Gain (dBi)
3×17.7
3×18
3×18.2
Electrical tilt
continuously adjustable( °)
0-10
0-10
0-10
Half-power beam width( °)
Horizontal:67
Horizontal:65
Horizontal:65
Vertical:8
Vertical:7.5
Vertical:7
Sidelobe suppression for first sidelobe above horizon(dB)
≥15
Front-to-back ratio(dB)
＞25
＞25
＞25
Isolation(dB)
＞30
＞30
＞30
Cross polar Ratio(dB)
Maindirection 0°
Typically:15dB
Typically:15dB
Typically:15dB
Sector ±60°
＞10dB
＞10dB
＞10dB
Intermodulation IM3
（2×43dBm carrier)(dBm)
＜-107
＜-107
＜-107
Max.power per input (W)
300
300
300
Lightning Protection
DC Ground
DC Ground
DC Ground
Mechanical specifications
Connector
6×7-16 female
Connector position
Bottom
Dimensions(mm)
φ364×1295
Packing size(mm)
1650×370×300
Antenna Weight (Kg) (with installation kit)
22
Packing weight(Kg)
25
Rated wind velocity (m/s)
60
Reflector Material
Aluminum Alloy
Radome Material
Fiberglass
Operating Temperature (℃）
-55～65
Mounting hardware(mm)
Φ76
Zhangjiagang free trade zone Guoxin communications Co.,Ltd. All right Reserved
ADD：No.9, Guangdong Road, Zhangjiagang Free Trade Zone, Jiangsu China
TEL：0512-58322098 FAX：0512-58325308
