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. 

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)