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Descripción del producto
especificaciones del producto
Descripción del producto
AIS system & boat manages the double frequency GPS/VHF Antenna
especificaciones del producto
Physical Condition
Constructions:
Polycarbonate radome, rubber-O-ring between top radome and screw base for waterproof
Dimensions:
47.2mm(Dia.) x 38mm(H)
Weight:
640 grams (with 5M cable & connector & L-mounting ).
Color:
Standard in Black
Mounting:
Bulkhead mount with 0.46 inch threaded wing nut.
Cable & Connector
RF cable:
20CM-RG174 & SMA(M)-RG58-5M-TNC(M)
Pulling strength:
6 Kg @ 5sec. molded plastic on connector end for strain relief.
Connector available:
SMA(F)
Optional:
Universal Connector Adapter (FME to TNC/BNC/SMA/SMB/MCX)
Antenna Element
Center Frequency:
1575.42 MHz +/-1.023 MHz
Polarization:
R.H.C.P. (Right Handed Circular Polarization).
Absolute Gain @ Zenith:
+5 dBi typical.
Gain @ 10o Elevation:
-1 dBi typical.
Axial Ratio:
3 dB max.
Output VSWR:
1.5 max
Output Impedance:
50 ohm
Low Noise Amplifier
Center Frequency:
1575.42 MHz
Power Gain:
28db +/-4.5db
Bandwidth:
10MHz min.
Noise Figure:
1.5 min.
Outer Band Attenuation:
3 dB max.
Supply Voltages:
2.5~5.5V DC
Current Consumption:
2.5V : 6.6mA Typ. 3V: 8.6mA Typ. 4V: 12.6mA Typ. 5V: 16.6mA Typ.
Output Impedance:
50W ohm
Overall Performance: (antenna element, LNA & coax cable)
Center Frequency:
1575.42 Mhz.
Gain:
At 90o 30 ± 4.5dBi-(cable loss) Note:1 Mounted on the 60mm x 60mm square ground plane
Noise Figure:
2.0 max.
Axial Ratio:
3 dB max.
Bandwidth:
2MHz min.
VSWR:
2.0 max.
Output Impedance:
50W ohm
Environmental
Operating Temperature:
-40°C~ +85°C.
Storage Temperature:
-50°C~ +90°C.
Relative Humidity:
95% non-condensing.
VHF Annt
Frequency
156-165Mhz ( AIS System)
VSWR
Impedence
50Ω
Cable type
RG174 / RG58
Cable length
RG174-20CM & SMA(M)-RG58-5M-
BNC(M)
Connector
SMA(F)
Power
5~10W
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