Maritime VHF Antenna

136-174 MHz – MADP136-174 (1Y42550)


The MADP136-174 antenna was designed for today’s latest broadband VHF communications platforms for mari- time, military, commercial, public safety and law enforcement applications.

The radiator element is designed for maximum durability and performance. The antenna radiator is sealed in a heavy duty fiberglass radome for mechanical stability and reliability in harsh environments.

Being ground independent, this antenna can be mounted on various maritime platforms (metal or non-metal) with no degradation of performance.



  • Ground independent
  • Single Input
  • Built to MIL-STD-810


Electrical Specifications

  Frequency: 136-174MHz

Polarization: Vertical

Impedance: 50Ω Nominal

VSWR: 2:1 Typical (3.0:1 Max)

Gain: ≥ 2dBi

Pattern: Omni Directional

             Azimuth 360°

             Elevation 72°

Power: 50Watts

Connector: Type N Female


Mechanical Specifications

Design: Dipole

Height: 421⁄4in. (1.02m) w/o extension

Diameter: 21⁄4in. (57.15mm)

Radome: Fiberglass

Weight: 5.5lbs. (205kg.)

Wind load: 150MPH Max (241kph)

Mounting: 1” 14 Thread

Color: White/Black/Green/Tan/Grey