Description
Top-quality construction is a major feature of this 4-metre beam antenna. With the increase in activity on 4 m, this 3 elements directional beam will give you the edge, and you will be amazed at the contacts that can be made on this very interesting and friendly band.
Key Features / Specifications:
- 70 Mhz (4 m) Beam Antenna
- Type: Directional, High-gain
- Vertical or Horizontal polarization
- Made of aluminium alloy 6063 T-832
Electrical Data:
- Type: 3 element Yagi antenna
- Frequency range: @ SWR 1.5: 68 – 78 Mhz
- Impedance: 50 Ohms
- Radiation (H-plane): beamwidth @ -3 dB = 130° @ center freq.
- Radiation (E-plane): beamwidth @ -3 dB = 70° @ center freq.
- Front to back ratio: 15 dB
- Polarization: Linear vertical or horizontal
- Gain: 4.85 dBd – 7 dBi
- Max. power: 350 Watts
- Grounding protection: All metal parts are DC-grounded, the inner conductor is coupled capacitively
- Connector: UHF-female with rubber protection cap
Mechanical Data:
- Materials: Aluminium, die-cast zamak, EPDM rubber, zinc plated steel, chromed brass
- Wind load: 03 N @ 150 km/h
- Wind resistance: 120 km/h
- Dimensions (L x W approx): 600 x 2235 mm
- Boom / elements diameter: 33 mm / 16 mm
- Turning radius (approx): 1875 mm
- Weight (approx): 3360 g
- Operating temperature: -40°C to +80°C
- Mounting mast: Ø 35 – 52 mm
