Scan Antenna VHFGPS4 3 dB Dual Band Marine VHF and GNSS Glass Fibre Antenna 1.1 m and 1" nut - in carton tube (11604-712)

A dual-band antenna designed for professional maritime use, combining the International Maritime VHF band with four satellite navigation/positioning systems. Ideal for maritime identification systems such as AIS.

• High-quality dual-band VHF and active GNSS antenna.
• Compatible with GPS, GLONASS, BeiDou, and Galileo satellite systems.
• Simplified installation using a single down-lead antenna cable with below-deck diplex filter.

Packaging Information

• Type: carton tube.
• Size: Approx. 1.5 m.
• Weight: Approx. 2.1 kg.

Electrical Specifications

• Frequency: 156-162.5 MHz (VHF) and 1555.4-1610 MHz (GNSS).
• Bandwidth: 6.5 MHz (VHF) and 54.6 MHz (GNSS).
• Antenna Type: Full 1/2 λ dipole for VHF, chip design for GNSS (no ground plane required).
• Impedance: 50 ohms.
• VSWR: < 2.0:1 (VHF).
• Satellite Systems: GPS, GLONASS, BeiDou, Galileo.
• Polarisation: Vertical.
• Gain: 0 dBd, 2.1 dBi.
• Radiation Pattern: Omni-directional.
• Max Input Power: 35 W (VHF).
• LNA Gain: Typical 26 dB (GNSS).
• Supply Voltage: 2.5-5.5 VDC (fed via coax cable and diplexer).
• Power Consumption: Approx. 20 mW @ 5 V (GNSS).
• Antistatic Protection: Direct ground (DC-short).

Mechanical Specifications

• Color: White and chrome.
• Length: 1120 mm.
• Weight: 520 g.
• Mounting: Fits on a 1" threaded pole (G1"-11 thread) with a Revolving Nut Kit or optional brackets.
• Mounting Place: Suitable for mast or deck installations.
• Materials: PU-painted glass fiber, PCB, PTFE, copper, and chrome-plated solid brass.
• Survival Wind Speed: Withstands up to 55 m/s (125 mph).
• Operating Temperature: -40°C to +70°C.
• Connector: N-female.
• Cable Requirements:
  • Two short diplexer cables (included in some kits for GNSS receiver and VHF radio).
  • Antenna down-lead cable (must be ordered separately).
• Ingress Protection: IP66.
• Serial Number: Provided on the product label.

Ordering Information

• Part Number: 11604-712 (VHFGPS4 KIT Antenna with diplexer and 1" nut - in carton tube).