Shopping Cart

Your cart is empty.

Your cart is empty.

TWAYRDIO Yagi Ham Radio Antenna,Dual Band 2m 70cm VHF UHF Yagi,High Gain 8 Elements GMRS Vertical Base Antenna for Repeater System,HT Scanner,Satellite Work

4.7 (10) Write Review
Free shipping on orders over $29.99

$98.99

$ 45 .99 $45.99

In Stock

About this item

  • [Directional YAGI antenna]Frequency:144/430MHZ(136-174MHZ/400-470MHz); Gain:9.5/11.5dBi; Maximum Power Input-watts:100W; VSWR:less than 1.5; Impedance:50Ω
  • 3 Sections,8 Elements; Weight:0.75Kg; Size:925×1045×60 mm; Rated wind velocity 60 m/s
  • [Simple construction,Easy Tuning and Assembly]The surface is made of aluminum alloy,Antioxidant,make the antenna bright and clean,sturdy and durable,good environmental adaptability.Lightweight,High strength,Waterproof,Corrosion resistant.
  • The body of the Yagi Antenna makes it highly resilient to outdoor use. Strong wind resistance,Rated wind velocity 60 m/s.Securely attached to the mounting surface with the U-Bracket.
  • High gain benefit,great‘front to back’ratio;Strong directionality.
  • Yagi Antenna greatly increase the signal strength of your radio,strong anti-jamming,provides stable signal,hit your repeater easily,realize long distance communication.
  • Yagi Antenna Widely used in various directional divice:For Baofeng Motorola Yaesu Kenwood amateur 2 Way Radio;GMRS Repeater Systems;police scanner;433mhz radio system;data radio;satellite work,ISS (international Space Station)contact;Digital Radio.


Product Description

5

Dual Band Yagi directional antenna

Yagi Antenna Widely used in various directional divice:For Baofeng Motorola Yaesu Kenwood amateur 2 Way Radio;GMRS Repeater Systems;police scanner;433mhz radio system;data radio;satellite work,ISS (international Space Station)contact;Digital Radio.

1

Aluminium Alloy Material

Lightweight,High strength,Waterproof,Corrosion resistant;good environmental adaptability.

6

7
3 Sections,8 Elements Yagi Antenna

The 3 - section removable design brings great convenience for carrying and installation.

Packing inlcudes:

1*2m 70cm Yagi antenna

1*U-Bracket and other accessories

1*instruction(Not includes the radio and the cable)

UAYESOK Store: If you have any questions about the product, we'll be happy to serve you,We will reply to you within 12 hours.

  • High gain
  • Strong directionality
  • Strong anti-jamming
  • Realize long distance communication
  • Simple construction and easy assembly and disassembly

Electrical AND Mechanical Specifications of 3 Sections,8 elements Yagi Antenna

Frequency range 136-174/400-470 MHz(2Meter/70CM)
Gain 9.5dBi/11.5dBi
Maximum Power Input-watts 100 W
Impedance 50Ω
VSWR less than 1.5
Connector SL16 Female(UHF Female)/S0239
Bandwidth 20MHz
Horizontal Beam Width 53°/ 45°
Vertical Beam Width 48°/ 40°
Front To Back Ratio >12 dB
Material Aluminium alloy
Size 925×1045×60 mm
The length of the beam 93cm
Weight 0.75Kg
Mounting hardware Ø30～Ø40 mm
Rated Wind Velocity 60 m/s

Note:

1. It is not for use on the CB band or wifi.

2. Never mount a vertically polarized yagi in the middle of the boom on a metal mast.

3. When receiving, when the vibrator is perpendicular to the ground, it is conducive to long-distance communication. If the vibrator is parallel to the ground, it will affect the gain and form an Angle with the ground, which is not conducive to long-distance communication.

4. The Yagi antenna is no need operates for a grounding in most cases. But you can ground antenna via the outer conductor of the connector and the cable, or through the mounting hardware, you can install a lightning surge protector between the Yagi and a device to prevent a lightning strike to the antenna from damaging your device and equipment.

Yagi antenna is composed of an active vibrator, a reflector and a number of director.A reflector longer than the active vibrator reflects energy.The director, which is shorter than the active vibrator,directs the energy.The reflectors and director on both sides of the active vibrator change the original bidirectional radiation into unidirectional radiation to improve gain of the antenna.Yagi antenna has a simple structure, high gain,is widely used in UHF/VHF frequency band.

Questions 1: Is the SWR of the antenna to be less than 1.5?

Answer 1:

Antennas are rigorously tested by a comprehensive measuring instrument before the delivery, the SWR conforms to the technical parameters provided by the manufacturer (less than 1.5) within the frequency range of the antenna. The test results of SWR are affected by many factors, such as test frequency, antenna installation mode and installation position, feeder line, test instrument and so on,SWR may not less than 1.5 under your test environment. Generally speaking, antennas can be used normally when SWR under 2.0. Normally, a calibration kit is required to accurately test the SWR of the antenna itself. If your antenna's swr is too high,we will be happy to analyze and solve for you.

Questions 2: Is the antenna suitable for indoor or outdoor use?

Answer 2: It can be used both indoors and outdoors.It depends on what you use it for.


Kenneth V Topliss
Reviewed in the United States on March 21, 2025
I had had this antenna up on a 30' ttower for 6 months. Upon purchase the SWR was marginally adequate, but never great. It was about 2.4 on 2 meters and a little less on 440.. The SWR on 2 meters then went over 4 after a few months. It is impossible to improve the SWR with the gamma match. I should have returned it initially. The antenna is cheap and based on my experience will not last.
Customer
Reviewed in the United States on August 29, 2024
The antenna had been previously installed, as shown by the scuff marks where the U-bolt was to hold the antenna onto a pole. Furthermore, the U-bolt was missing from the product sent to me. The screws and their holes are tiny, and are meant only for a permanent one-time installation.There was no company name for the product. The q-code and web link didn't work. The video did not show how to assemble the product.On the plus side, although the diagram was useless, the parts were marked, and I was able to lay them out from the photograph.
Theodor Schmidt
Reviewed in the United States on August 23, 2024
Works great with my HT for working ISS and Sat comms on a tripod. 73 de KF8BTH
Charles R. MacCluer
Reviewed in the United States on August 22, 2024
Ingenious and robust construction. Recommended.
Marc
Reviewed in Canada on July 4, 2024
BON PRODUIT
A. Roberts
Reviewed in the United States on March 14, 2024
The quality of the antenna is very good. However, do not begin to assemble until you separate not only the antenna parts, but also the screws. Half of them are sheet metal (the slightly larger to secure tubing to frame) and machine screws (smaller) to hold the elements together. They have Phillips heads, so please use the appropriate and right size screwdriver!!!! If your screwdriver has a worn head, get a new one first. It requires some pressure to secure the screws, and you do not want to strip the screw heads. 73, K8KIZ
Customer
Reviewed in the United States on February 6, 2024
Pretty agreeable for the price - extremely simple assembly, maybe 2 minutes. There are numbered elements that go in the main assembly and six unnumbered extensions just for the 2m elements (the only ones with shoulder inserts, they are all the same length). Instructions were simple but clear - hard to mess this one up! Have a smaller driver handy for the extensions so that there's no risk of stripping anything out. Nothing is threaded to receive hardware but the holes are just right to hold tight so long as you aren't over-tightening anything. NanoVNA measured minimum SWR of 1.381 at 140MHz and 1.133 at 450MHz right after putting everything together. Looking forward to further testing and tuning.
Shawn D.
Reviewed in the United States on April 7, 2024
This product was fairly easy to assemble, after I realized that the element 'ends' were all the same size and not labeled. The materials are of good quality and it is light.This went in my attic (townhouse condo), and out of the box I got a 1.4:1 SWR for 70cm, 440 MHz. However, SWR for 2m (146 MHz) was about 3.2:1. I adjusted the gamma match and the best I could get was about 2.4; too high for my liking.The 'gamma rod' for 2m seems 'loose' compared to the 70cm rod, as in it's not solidly fitted into the housing where the coax connects. I don't know if that's the source of my problem or not.Thinking of returning it or contacting support.
Marc Heppell
Reviewed in Canada on March 1, 2023
SWR under 1.5 on 144-148, 430-450 & 462-468.Very good performance.
dog lover
Reviewed in the United States on November 28, 2022
Very nicely made antenna. easy to put together and install.Well worth the money.Have not had the opportunity to try it out yet, but it should work perfectly.