Description :

1. AIS system & boat manages the double frequency GPS/VHF antenna or GPS/ Orbcomm antenna.
2. 47.2mm(Dia.) x 16mm(H), VHF antenna: 18.5mm.
3. Mounting: magnet.
4. Frequency: 156-165Mhz (AIS system) or 137-150Mhz (Orbcomm).

Specification :

1. Polycarbonate radome, rubber-O-ring between top radome.
2. 180grams (with 5m cable & connector).
3. Standard in black.

Cable & connector:
1. RF cable: 5 meter RG174/U (standard) other length (optional)
2. Pulling strength: 6 Kg @ 5sec. molded plastic on connector end for strain relief.
3. Connector available: SMA/SMB/MCX/MMCX/GT5/FME/Fakra.
4. Optional: universal connector adapter (FME to TNC/BNC/SMA/SMB/MCX).

Antenna element:
1. Center frequency: 1575.42 MHz +/-1.023 MHz
2. Polarization: R.H.C.P. (right handed circular polarization).
3. Absolute gain @ zenith: +5 dBi typical.
4. Gain @ 10o Elevation: -1 dBi typical.
5. Axial ratio: 3 dB max.
6. Output VSWR: 1.5 max
7. Output impedance: 50 ohm
8. Low noise amplifier.
9. Center frequency: 1575.42 MHz
10. Power gain: 28db +/-4.5db
11. Bandwidth: 10MHz min.
12. Noise figure: 1.5 min.
13. Outer band attenuation: 3 dB max.
14. Supply voltages: 2.5~5.5V DC
15. Current consumption: 2.5V: 6.6mA Typ./ 3V: 8.6mA Typ./ 4V: 12.6mA Typ./ 5V: 16.6mA Typ.
16. Output impedance: 50W ohm.
17. Overall performance: (antenna element, LNA & coax cable).
18. Center frequency: 1575.42 Mhz.
19. Gain: at 90o 30 ± 4.5dBi-(cable loss) Note: 1.
20. Mounted on the 60mm x 60mm square ground plane.
21. Noise figure: 2.0 max.
22. Axial ratio: 3 dB max.
23. Bandwidth: 2MHz min.
24. VSWR: 2.0 max.
25. Output impedance: 50W ohm.
26. Environmental
27. Operating temperature: -40°C~ +85°C.
28. Storage temperature: -50°C~ +90°C.
29. Relative humidity: 95% non-condensing.

VHF annt:
Frequency: 156-165Mhz (AIS).