GVA-100

Model: GVA-100

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Product Description

1. AIS system & boat manages the double frequency GPS/VHF antenna or GPS/ orbcomm antenna.

2. Physical condition

  • Constructions: Polycarbonate radome, rubber-O-ring between top radome and screw base for waterproof
  • Dimensions: 47.2mm(Dia.) x 38mm(H)
  • Weight: 100grams (with 5M cable & connector).
  • Color: Standard in Black
  • Mounting: Bulkhead mount with 0.46 inch threaded wing nut.

3. 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.
  • Optional: universal connector adapter (FME to TNC/ BNC/ SMA/ SMB/ MCX).

4. 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

5. 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/ 3V: 8.6mA/ 4V: 12.6mA/ 5V: 16.6mA.
  • Output impedance: 50W ohm.

6. Overall performance: (antenna element, LNA & coax cable.)

  • Center frequency: 1575.42 Mhz.
  • Gain: at 90° 30 ± 4.5dBi (cable loss).
  • Mounted on the 60mm x 60mm square ground plan.
  • Noise figure: 2.0 max.
  • Axial ratio: 3 dB max.
  • Bandwidth: 2MHz min.
  • VSWR: 2.0 max.
  • Output impedance: 50W ohm.

7. Environmental:

  • Operating temperature: -40°C ~ +85°C.
  • Storage temperature: -50°C ~ +90°C.
  • Relative humidity: 95% non-condensing.
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