GVA-200

Tiedustelu

ladata

AIS system & boat manages the double frequency GPS/VHF antenna or GPS/ Orbcomm antenna.
47.2mm(Dia.) x 16mm(H), VHF antenna: 18.5mm.
Mounting: magnet.
Frequency: 156-165Mhz (AIS system) or 137-150Mhz (Orbcomm).

Cable & connector:

RF cable: 5 meter RG174/U (standard) other length (optional)
Pulling strength: 6 Kg @ 5sec. molded plastic on connector end for strain relief.
Connector available: SMA/SMB/MCX/MMCX/GT5/FME/Fakra.
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:

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