AIS vørur
17. Jan 2012
AIS loysnir til Skip og land. ...
VHF-GPS-4, 3DP Antenna
Details
Dual band antenna combining the International Maritime VHF band and four satellite navigation/positioning systems. The antenna is especially made for maritime identification systems, e.g. AIS.
- High quality dual-band VHF and active GNSS antenna for professional use
- 4 satellite navigation/positioning GNSS systems included: GPS, GLONASS, BeiDou and Galileo
- Single down-lead antenna cable design with below deck diplex filter for easier installatio
Electrical specifications
FREQUENCY
156 - 162.5 MHz, 1555.4 - 1610 MHz (International Maritime VHF-band + 4 GNSS bands)
BANDWIDTH
VHF: 6.5 MHz, GNSS: 54.6 MHz
ANTENNA TYPE
VHF: Full 1/2 λ dipole, GNSS: Chip - no groundplane needed
IMPEDANCE
50 ohm
VSWR
VHF: < 2.0:1
SATELLITE SYSTEM
GPS, GLONASS, BeiDou and Galileo
POLARISATION
Vertical
GAIN
0 dBd, 2.1 dBi
RADIATION PATTERN
Omni-directional
MAX. INPUT POWER
VHF: 35 W
LNA GAIN
GNSS: Typ. 26 dB
SUPPLY VOLTAGE
GNSS: 2.5 - 5.5 VDC (Fed via coax connection cable and diplexer from receiver)
POWER CONSUMPTION AVERAGE
GNSS: Approx. 20 mW @ 5 V
ANTISTATIC PROTECTION
Direct Ground (DC-short)
