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Yaesu ATAS-120A 40 Meter through 70cm Auto Tune Motorized HF/VHF/UHF Antenna For FT-857D, FT-450DandFT-897D ATAS-120
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Yaesu ATAS-120A 40 Meter through 70cm Auto Tune Motorized HF/VHF/UHF Antenna For FT-857D, FT-450DandFT-897D ATAS-120
Yaesu ATAS-120A is a fully automatic antenna designed for mobile (automotive) use, auto adjusts antenna length with tune signal from radio and covers HF thru UHF.
Yaesu ATAS-120A 40 Meter through 70cm Auto Tune Motorized HF/VHF/UHF Antenna For FT-857D, FT-450DandFT-897D ATAS-120
Item #: 446114

Yaesu ATAS-120A 40 Meter through 70cm Auto Tune Motorized HF/VHF/UHF Antenna For FT-857D, FT-450DandFT-897D ATAS-120

85% of respondents would recommend this to a friend

Item #: 446114

TMT 1775

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Yaesu ATAS-120A is a fully automatic antenna designed for mobile (automotive) use, auto adjusts antenna length with tune signal from radio and covers HF thru UHF.
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What Stands Out

Multi-band Operation
Covers HF (40M) to UHF (70cm), making it versatile for various communication needs while ensuring reliable performance across multiple frequencies, ideal for amateur radio enthusiasts.
Auto Tuning
Automatically tunes to the desired frequency, saving time and increasing efficiency for operators. This feature simplifies setup and ensures optimal performance without manual adjustments.
Motorized Design
The motorized mechanism enhances convenience and allows for easier adjustments, ensuring precise tuning and improved signal reception without compromising portability for mobile applications.

Product Details

Shop Yaesu ATAS-120A 40 Meter through 70cm Auto Tune Motorized HF/VHF/UHF Antenna For FT-857D, FT-450DandFT-897D ATAS-120 online at a best price in Turkmenistan. B004UM9UL4
  • Auto tuning antenna designed for Yaesu FT-857D, FT-450D, FT-450AT, FT-991, FT-991A, FT-450, FT-100D, FT-100, FT-891, FT-897, FT-897D, and possibly other compatible models.
  • Covers HF thru UHF with auto self-tuning feature and motorized transceiver mobile antenna (40 Meters through 450Mhz).
  • Designed for automotive use, requires optional suitable mobile antenna mount & coaxial cable with a PL-259 (PO, M) style base thread, and has an overall length of approximately 5ft when extended to the maximum.
  • Motorized trombone section automatically adjusts antenna length when the Yaesu radio's tune button is pressed.
  • Fully automatic with the listed Yaesu models only, requires an optional SO-239 thread mobile mount & coaxial cable (not included).
  • Comprises a 2-piece design with a motorized lower coil section topped with a stainless steel whip, suitable for 40M - 70cm Ham Radio use.
AntennaDescriptionRadio
BrandYAESU
UPC788026098729
ManufacturerYaesu
Number of Packs1
Unit Count1 Count
Number of Items1
Item Weight0.27 g
Model NumberATAS-120A
Mfr Part NumberATAS-120A
Number of Channels7
Impedance120 ohm
Maximum Range40 meters
ColorBlack
AntennaRadio

Who Should Buy?

Suitable For
  • Portable Operators

    Ideal for portable ham radio operators who need a reliable, compact antenna for various frequency bands.

  • Field Day Participants

    Excellent choice for field day events where quick setup and automatic tuning enhance operational efficiency.

  • Multiband Users

    Perfect for users needing a versatile antenna that covers HF, VHF, and UHF without multiple setups.

Not Suitable For
  • Long-Distance DXers

    Not ideal for serious DX enthusiasts seeking the highest performance for long-distance communications.

Product Description

Yaesu ATAS-120A 40 Meter through 70cm Auto Tune Motorized HF/VHF/UHF Antenna For FT-857D, FT-450DandFT-897D ATAS-120

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What frequencies does the Yaesu ATAS-120A cover?

    Answer: The Yaesu ATAS-120A covers a frequency range from 40 meters to 70 centimeters, making it a versatile antenna suitable for various amateur radio operations. The motorized tuning feature allows for seamless transitions between bands, ensuring effective communication across those frequencies. This is particularly beneficial when switching between different modes during contests or informal chat sessions where brevity is essential.
  • Question: Is the ATAS-120A compatible with other radios?

    Answer: While the ATAS-120A is specifically designed for Yaesu models such as FT-857D, FT-450D, and FT-897D, it may also work with other compatible radios if appropriately configured. Make sure to check the specifications of your radio to confirm compatibility, as this will ensure optimal performance. Users have found success in utilizing it with other brands, making it a great addition to diverse equipment setups.
  • Question: How do I install the Yaesu ATAS-120A antenna?

    Answer: Installing the Yaesu ATAS-120A involves mounting the antenna on a compatible mast and connecting it to your transceiver. Detailed instructions usually come with the product, guiding users through the process for securing the antenna properly. Clear mounting allows for optimal performance, particularly in varying weather conditions. Following these guidelines ensures that the antenna performs effectively during operations.
  • Question: Can the ATAS-120A perform well in poor weather conditions?

    Answer: Yes, the Yaesu ATAS-120A is designed to endure various weather conditions, thanks to its robust build and materials. It can perform reliably in rain, wind, and even snow while maintaining its tuning capabilities. This reliability is crucial for amateur radio operators who may face harsh environments during field operations or emergencies, ensuring they stay connected even when conditions are less than favorable.
  • Question: What is the maximum power rating for the ATAS-120A?

    Answer: The Yaesu ATAS-120A can handle a maximum power output of 100 watts. This makes it suitable for most amateur radio applications. Operators should always check their transmitter's output settings to ensure they stay within this limit to prevent damage to the antenna and maintain optimal performance. Staying within this power range also enhances your signal clarity across all bands.
  • Question: What type of connector does the ATAS-120A use?

    Answer: The Yaesu ATAS-120A typically comes with a standard UHF connector (SO-239) which can easily connect to most transceiver models. This compatibility allows for a straightforward setup, ensuring that users can get up and running with minimal hassle. Adequate attention to connector quality and proper torque during installation can enhance connection reliability during operations.
  • Question: Can I use the ATAS-120A for portable operations?

    Answer: Absolutely! The compact and lightweight design of the Yaesu ATAS-120A makes it an ideal choice for portable operations. Many ham operators appreciate its ease of transport, allowing them to set it up in various locations, whether for camping, emergencies, or outdoor events. Its motorized tuning feature is particularly beneficial in such scenarios, providing quick adjustments for optimized communication.
  • Question: How does motorized tuning work on the ATAS-120A?

    Answer: Motorized tuning on the ATAS-120A allows the antenna to automatically adjust its length for optimal performance across different frequency bands. When you change frequencies on your Yaesu radio, the antenna’s tuning mechanism actively works to match the new frequency, ensuring clear communications. This feature minimizes downtime during operations, allowing you to focus on your conversation or activity.
  • Question: Is it possible to achieve a good SWR with the ATAS-120A?

    Answer: Yes, the Yaesu ATAS-120A is designed for ease of tuning, enabling users to achieve a low Standing Wave Ratio (SWR) across its frequency range. When tuning correctly and operating within its specifications, it provides efficient power transfer, which is crucial for maximizing range and clarity. Regular checks with an SWR meter will help maintain optimal performance while operating.
  • Question: Where can I buy the Yaesu ATAS-120A in Turkmenistan?

    Answer: You can purchase the Yaesu ATAS-120A through Ubuy, which offers a wide selection of electronic products including this antenna. Ubuy ensures a reliable shopping experience with comprehensive product details to help you make an informed decision. Using Ubuy guarantees that you access competitive pricing and timely availability for your amateur radio needs.

YAESU Radio Antennas ATAS-120A Editorial Review

The Yaesu ATAS-120A 40 Meter through 70cm Auto Tune Motorized Antenna is designed for compact mobile use. It may have a slight gain on UHF and VHF with a good counterpoise, but on HF bands it has less gain compared to a dipole. It works well with certain Yaesu radios and does not require a specific antenna tuner. However, it is not compatible with 80 meters. For base station use, additional ground enhancements are recommended. Overall, the antenna has received mixed reviews with some users experiencing breakages and others finding it efficient for mobile operation.

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Pros

  • Compact and convenient for mobile use
  • Automatic tuning function
  • Good mobile results with a good counterpoise

Cons

  • May have less gain on HF bands

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TMT 1775

Order now and get it around Saturday, October 17

QTY:

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Features & Benefits

  • Fully automatic antenna
  • Designed for mobile (automotive) use
  • Auto-adjusts antenna length with tune signal from radio
  • Covers HF thru UHF
  • Ideal for Yaesu FT listed models
  • Requires additional mobile mount & coaxial cable

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