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AY04 High Gain Yagi 144&430 MHz Directional Antenna

SKU: C9071C

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Brand: Ailunce

Model: AY04

Frequency: UHF&VHF

Length: 92.5cm/36.4inch



  • VHF(3 Elements), UHF(5 Elements)
  • High Gain
  • Strong directionality
  • Strong anti-jamming
  • Realize long distance communication
  • Simple construction and easy assembly and disassembly
  • Lightweight and sturdy, easy to set up
  • High-cost performance


Electrical Specifications
Frequency Range 144& 430 MHz
Impedance 50Ω
VSWR <1.5
Gain 9.5 dBi / 11.5 dBi
Horizontal Beam Width 53°/ 45°
Vertical Beam Width 48°/ 40°
Polarization Horizontal orVertical
Front To Back Ratio >12 dB
Maximum Power Input-watts 100W
Lighting Protection Direct Ground
Connector SL16.K



Mechanical Specifications
Size 925×1045×60 mm
Mounting hardware Ø30-Ø60 mm
Rated Wind Velocity 60 m/s
Weight 0.85Kg
1 reviews

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Preview :
Excellent for amateur radio
I am probably one of the first people to purchase this antenna. First, very easy to put together; screws are a bit of challenge - there are 2 types; the larger ones are for the boom and center holding the elements. They tend to strip - recommend try to get the hole 0.2mm larger. The second set of screws are specifically for 2m ele extensions; they are mild steel and prone to rust; best to replace with aluminium screws which i did. Matching is pre-tuned; even though this was a negative; i found the swr is well across entire spectrum for 145/440; on 2m - SWR was 1.3:1 and 440; it was 1:1. Really good. Nevertheless, a flexible matching stub will be a welcome modification. I mounted it at 10m height and feeding with rg-58. Excellent. I am able to hit repeaters and hold over 100km away. I am also using Retevis RT-95 dual bander with this antenna. Recommend it if you are intending to use it for a base station or extend it for satellite use.

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