New

I0JXX 70 MHz 5-element Yagi

€200.00
incl. VAT, plus shipping €168.07

In stock, shipped in 1 to 2 days

SKU
18470.5.4

Top Features

  • High quality workmanship
  • Power handling up to 1000 Watt
  • N-connection
  • Compact

Supply Scope

  • I0JXX 5JXX4 70MHz Yagi
  • Mast clamp for masts Ø 35 - 60 mm
  • Assembly instructions (EN/IT/DE/FR)

Technical description 5JXX4

Discover amateur radio operation on 70 MHz with the 5JXX4! Manufactured by I0JXX, a renowned manufacturer of high quality amateur radio antennas, the 5JXX4 kit offers a powerful solution for operation on the 4m band.

The 5JXX4 antenna is a high quality Yagi antenna with 5 elements and convinces with its excellent performance. With an optimal combination of directivity, gain and bandwidth, it enables efficient communication over longer distances and provides reliable signal transmission. The antenna is equipped with an N-jack and can handle transmit powers of up to 1000 watts. 

The 5JXX4 kit comes as a kit and includes everything you need to build the antenna, including the elements, boom tube, connector socket and mounting hardware. Assembly and commissioning are simple and straightforward, and the included detailed assembly instructions will help you every step of the way. The included mast clamp allows for attachment to antenna masts with a diameter of 30 - 60 mm.

The 5JXX4 antenna is made of high-quality materials and features rugged construction, thoughtful design and weather resistance, ensuring a long service life. The compact size of the antenna allows for easy installation even in confined environments.

Application description 5JXX4

Whether you want to operate DX, contest or experiment on the 70 MHz band, I0JXX's 5JXX4 is the ideal choice for demanding radio amateurs who strive for the highest performance.


The 70 MHz amateur radio band, also known as the 4-meter band, is a fascinating frequency band that offers unique opportunities to radio amateurs. With good radio propagation and less interference from buildings or vegetation, it allows reliable communication over longer distances. It is often less crowded than other bands, providing more room for experimentation and activity. The 70 MHz band offers regional variations in availability and usage, making it an exciting frequency for radio amateurs worldwide. Dive into the world of 70 MHz amateur radio and discover the many possibilities of this special frequency band!

Technical Data
Product Name 5JXX4
Brand I0JXX
Half Power Beam Width (3dB) Horizontal 67.4°
Half Power Beam Width (3dB) Vertical 52.6°
Wind Surface (m²) 0.27
Number of connectors 1
Weight 4.3 kg
Number of Elements 5
Boom length [cm] 343 cm
Front/Back ratio [dB] 15.93
Balun Included Yes
Max. Power [W] 1000 W
Band 4m
Stacking Distance horizontal (cm) 483
Stacking Distance vertical (cm) 385
Polarisation Horizontal
Boom Size Tapered boom 25-30-25 mm
Antenna Guying No
Antenna Type Directional Antenna
Design of antenna Yagi
Strut no
Antenna mount Center Mount
Max. Windspeed (km/h) 160
Gain [dBi] (free space) 10.68

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