EAntenna 70LFA3 3-element Yagi
SKU Part Number: 17800.04-3
Technical description 70LFA3 The EAntenna Yagis with LFA dipole are characterized by particularly low noise. This is achieved by the...
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Technical description 70LFA3

The EAntenna Yagis with LFA dipole are characterized by particularly low noise. This is achieved by the low-impedance and phase-correctly fed dipole, which lies flat on the boom. This design creates fewer side lobes that could pick up terrestrial noise. The dipole is connected directly to the coaxial cable, no balun is required, and therefore there is no power limitation. Images for illistration purposes only. 

Application 70LFA3

  • The short 3-element Yagi is unobtrusive and lightweight. The large aperture angle makes it ideal for band observation, for example for beacons.
  • The relatively short 4-element Yagi fits well on any mast, it is unobtrusive and light. Due to the large aperture angle it is very suitable for band observation, for example for beacons.
  • The 5-element Yagi is still relatively small at 3.4m in length, but still offers a good gain. It represents a good compromise between space requirements and performance.
  • The 6-element Yagi offers good gain on a 5.4m long boom that does not yet require guying.
  • The 7-element Yagi offers the highest gain of the 4m antennas from EAntenna, ideal for long distances. With guying material.
Product name 70LFA3
brand EAntenna
Boom length / profit 147 cm / 8.6 dBi
Number of connections 1
Weight 2.5kg
Supported bands 4m
Number of elements 3
Boom length [cm] 147cm
Front/back ratio [dB] 22.44
Including balun No, not required
Max. power [W] 10000W
Frequency range 70.0-70.5MHz
polarization Horizontal
Boom diameter 30x30mm
Antenna guying No
Antenna type Directional antenna
Antenna design Yagi
Beam no
Antenna mounting Center mounting
Max. wind speed (km/h) 200km/h
Gain [dBi] (clearance) 8.66
Specifications 70LFA3
  • 30x2mm square boom.
  • Elements complete, ready to mount 13mm diameter and is 10mm LOOP.
  • Mast plate 100x100mm with 6mm thick with square U-bolts M6 boom to the plate and U-bolts of M8 to the plate to the mast.

Features of the 70LFA3

  • This antenna is designed for people who have limited space and want to get good results in this band.
  • An extra wide lobe makes this antenna ideal for ES in summer, because if you are in Spain and aim the antenna at the center of Europe, you'll have coverage throughout the continent without having to rotate.
  • Simple and quick, because the boom joints are very easy to assemble. And the elements are attached by clamps Without End (Hose Clamp) for fast installation and durable fastening.
  • Antenna very solid construction, and a very acceptable weight.
  • Available for enfasar 2 or 4 units in a short (under table include phasing), and to make a profit no big antenna can get.
SPECIFICATIONSEAntenna 70LFA3
Frequency Range: 70.0 ~ 70.5 MHz
Gain: 8.66 dBi
F / B: 22.44 dB
SWR: 1:1.1 ~ 1:1.2
Impedance: 50 Ohm
Maximum Power: 5 kW.
Boom length: 1.45 m / 4.75 '
Turning radius: 1,0 / 3,3
Wind Resistance: ≥ 200kmh / 120mph ≥
Weight: 4.0 kg / 6.6 lbs

* Gain dBi (gain over isotropic dipole in free space) = -2.15 dBd

** Ratio Gain Front / Back "F / B" (gain when the antenna is rotated 180 ° azimuth direction)

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If you have any equipment that needs to be returned to Martin Lynch & Sons, please fill out the form below:

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Upon receipt of goods you have 14 days to return goods however the goods must be returned in original packaging and care must have been taken with the goods you wish to return. Under distance selling regulations you are not entitled to any refund on carriage charges or modification charges made at your request. Large items cannot be returned if they have been assembled, unless faulty.

Warranty Terms and Conditions

Outside of the 14 faulty return period, returned items cannot be accepted, unless covered by manufacturer's warranty. We will repair as much as possible on site however in exceptional circumstances products may have to be returned to the manufacturer of distributor.

For repairs/replacements under manufacturer’s warranty for any item please download a ML&S return form from the link above and return to ML&S with the faulty product.

International Warranty information

Warranty service for items we sell is available in the U.K. only, unless otherwise noted. It is your responsibility to pay freight for returned items to the U.K. and back to you for desired warranty coverage. All of our NEW products come with a minimum 12 month warranty, (Yaesu & Icom 24 months), with up to 90 days on second-hand equipment. Items returned for service must state "returned goods for repair" on the return air waybill or U.K. import customs duties apply and will be added to your invoice. For more info about returning items please contact our customer help desk, [email protected]