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400-440MHz Stainless Steel Yagi – 15 Element

400-440MHz Stainless Steel Yagi – 15 Element

Part # Y415S-A. Categories: , , . Tags: , , , , , .


The Y415S-A (Stainless Steel) is a 14dBd gain, 15 element UHF yagi antenna. It covers the entire range from 400 MHz to 440 MHz. It is supplied with a standard boom length and is DC grounded and fully welded for lightning protection and noise reduction.

Whilst the installation of our UHF yagi is normally a straight forward exercise, the following guide lines are to ensure that the maximum reliable service life is obtained whether aligned for Horizontal or Vertical polarization.

  1. The yagi cable tail is a critical length and should never be changed. If the cable or connector sustain any damage we recommend that the yagi be returned to JBA Antennas for repair.
  2. After connection of the feedline to yagi we recommend using self-vulcanizing tape to seal the coaxial connectors against the ingress of moisture.
  3. When mounting the yagi for Vertical Polarization it is important to ensure the condensation drain hole in one end of the yagi dipole element is facing down.
  4. When mounting a yagi for Horizontal Polarization the dipole mounting block should face down as condensation drainage is via the coaxial cable entry hole.




Frequency 400 – 440 MHz (entire range)
VSWR over operating range Less than 1.5:1
Nominal Impedance 50 Ohm
Termination Cable tail to N type female
Power Rating 200 Watts
Forward Gain 14dBd
Approx. Weight 3.1kg
Approx. Length 2500mm
Mounting 25 Ø Boom diameter
Construction Marine Grade Stainless Steel
Wind Loading at 160Kph 15.9kg
Protection DC grounding
Phasing Harness Availability 2 way, 3 way & 4 way
Front to Back ratio 22dB
-3dBd Beam-width H Plane 34 degrees
-3dBd Beam-width E Plane 33 degrees
Suggested Mounting Clamp BR-RAB-S