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  • Enhanced Signal Strength: Experience a boost in communication with the Nagoya NA-24J Dual Band Amateur Antenna, offering a gain of up to 3.5 dBi. This increase in performance ensures a substantial enhancement in your radio’s signal strength, leading to clearer and more reliable communication.
  • Ultra Flexible and Durable Design: Tailored for outdoor adventurers, the Nagoya NA-24J features an ultra-flexible whip design that excels in harsh outdoor environments. Its exceptional flexibility renders it more resilient to physical stress than standard OEM radio antennas, making it an ideal companion for camping and outdoor activities.
  • Precision Engineered for Optimal Performance: The Nagoya NA-24J epitomizes precision engineering, with each antenna undergoing meticulous testing and fine-tuning. This dedication ensures peak performance and unmatched communication efficiency in its specified frequency range.
  • Wide Compatibility with SMA-Female Connector: The Nagoya NA-24J antenna, equipped with an SMA-Female connector, offers extensive compatibility with a range of radios, including popular models from Baofeng and BTECH. This feature guarantees smooth integration with various amateur radios, enhancing the utility and adaptability of the antenna in diverse communication settings.
  • BTECH and Nagoya Partnership with Local Support: BTECH’s collaboration with Nagoya ensures that customers receive a genuine Nagoya antenna, guaranteeing both authenticity and quality. Proudly based in the USA, BTECH offers unparalleled local support for any issues, emphasizing their commitment to specialized engineering and development in radio products. This partnership not only provides high-performance antennas but also assures comprehensive support and a real USA warranty, enhancing your overall experience with reliable and feature-rich radio products.

From the manufacturer

Nagoya NA-24J Ultra Flexible 16″ Whip Antenna (SMA Female)

Elevate your communication experience with the authentic Nagoya NA-24J Dual Band Amateur Antenna, boasting an ultra-flexible whip design and delivering a performance increase of up to 3.5 dBi.

Nagoya Ultra Flexible Whip Antennas are indispensable for outdoor and camping activities. Engineered for harsh outdoor environments, these antennas offer exceptional flexibility, making them more resilient to physical stress compared to standard OEM radio antennas.

More than just robust, the Nagoya Ultra Flexible Whip Antennas are highly effective in enhancing your radio’s signal strength. With this antenna, you’re not only maintaining connectivity; you’re experiencing a significant enhancement in reception, ensuring superior communication in outdoor adventures.

Superior Engineering for Unmatched Performance

At the heart of its superior performance lies our commitment to precision engineering. Each antenna undergoes a rigorous process of individual testing and fine-tuning, ensuring that it operates optimally within its specified frequency range.

Nagoya Antennas: Where Quality Meets Clarity

Budget antennas mimicking the Nagoya brand, do not mimic the Nagoya quality

Beware of knock-off antennas that imitate Nagoya’s brand and similar model names but fall short in quality and craftsmanship. These low budget antennas are made with substandard materials can compromise your radio’s functionality. These imitations overlook the critical design elements, such as the precision-engineered loading coil, which is vital for achieving peak performance.

Enhance Your Reception with Optimal Antenna Length

The effectiveness of an antenna is significantly influenced by its length. Longer antennas are more proficient at amplifying weak signals and picking up difficult-to-detect frequencies, ensuring a broader and stronger reception range.

On the other hand, shorter antennas offer the advantage of portability and ease of handling.

To find the perfect balance between performance and convenience, consult our detailed comparison chart below, helping you select an antenna that meets your specific needs and usage scenarios.

About Nagoya’s Process

Each Nagoya antenna undergoes meticulous individual analysis, guaranteeing seamless compatibility with your radio.

Renowned for their dependability, precision, reliability, and affordability, Nagoya Antennas stand as a benchmark in the industry.

Ensure the longevity and reliability of your radio by choosing genuine Nagoya antennas, synonymous with trust and excellence.

Technical Specs:
  • Frequency Center Tuning: 144 – 430MHz
  • Gain: 2.15 – 3.5 dBi
  • Wave: 1/4λ – 5/8λ
  • Optimal Transmit Frequency Range: 140-148MHz, 420-450MHz
  • Connector Type: SMA-Female
  • Impedance: 50Ω, VSWR: ≤ 1.5
  • Direction: Omni-directional
  • Max Input Power: 10W
  • Antenna Length: 16 inches / 41cm
  • Package Contents: Nagoya NA-24J, Antenna Washer
BTECH
BTECH: We are proud to be here in the USA

BTECH radios are designed and supported right here in the USA. A BTECH label means you are getting a radio with real US based support, and development! If you ever have an issue, our team will be prompt, knowledgeable, and supportive to ensure your radio operates exactly as it should.

Features

NA-717

NA-771R

NA-810

NA-F30

NA-F30G

NA-24J

Antenna Type

Ultra Whip

Retractable Telescoping

Compact Stubby

Tactical, Flexible

Tactical, Flexible

Ultra Whip

Center Tuned Frequency (MHz)

144 - 430

144 - 430

144 - 430

144 - 430

462

144 - 430

Gain (dBi)

2.15 - 2.15

2.15 - 3

0 - 1.5

2.15 - 3.5

3.5

2.15 - 3.5

Wave

1/4λ - 1/4λ

1/4λ - 1/2λ

1/4λ - 1/2λ

1/4λ - 1/4λ

1/4λ

1/4λ - 5/8λ

Power (Watts)

10

10

10

15

15

10

VSWR: ≤ 1.5, Impedance: 50Ω

SMA (F)

SMA (M)
Height

8.25" (21CM)

15.6" (39.6CM)

2.5" (7CM)

30" (76CM)

30" (76CM)

16" (41CM)

User

AMATEUR

AMATEUR

AMATEUR

AMATEUR

GMRS

AMATEUR

Features

NA-320A

NA-701

NA-701C

NA-701G

NA-771

NA-771G

Antenna Type

Standard Whip

Standard Whip

Standard Whip

Standard Whip

Standard Whip

Standard Whip

Center Tuned Frequency (MHz)

144 - 225 - 430

144 - 430

155 - 455

462

144 - 430

462

Gain (dBi)

2.15 - 2.15 - 3.5

2.15 - 2.15

2.15 - 2.15

2.15

2.15 - 3

3

Wave

1/4λ - 1/2λ - 5/8λ

1/4λ - 1/4λ

1/4λ - 1/4λ

1/4λ

1/4λ - 1/2λ

1/2λ

Power (Watts)

10

10

10

10

10

10

VSWR: ≤ 1.5, Impedance: 50Ω

SMA (F)

SMA (M)

Height

17.7" (45CM)

8.25" (21CM)

8.25" (21CM)

5.5" (14CM)

15.6" (39.6CM)

15.6" (39.6CM)

User

AMATEUR

AMATEUR

MURS - COMMERCIAL

GMRS

AMATEUR

GMRS

Features

UT-72

UT-72G

UT-308UV

Antenna Type

Plug and Play Magnetic: Simple, Instant Setup with Magnetic Base (includes adaptors for handheld or mobile radios)

Plug and Play Magnetic: Simple, Instant Setup with Magnetic Base (includes adaptors for handheld or mobile radios)

Plug and Play Magnetic: Simple, Instant Setup with Magnetic Base (includes adaptors for handheld radios)

Center Tuned Frequency (MHz)

144 - 430

155 - 462

144 - 430

Gain (dBi)

1.7 - 3.5

1.7 - 3.5

1.7 - 4.15

Wave

1/4λ - 5/8λ

1/4λ - 5/8λ

1/4λ - 5/8λ

Power (Watts)

80

80

80

VSWR: ≤ 1.5, Impedance: 50Ω

Connector

PL-259 + SMA (F)

PL-259 + SMA (F+M)

SMA (F)

Height

20.27" (51.5CM)

18.7" (47.5CM)

20.55" (52.2CM)

Cable

13' (4M) RG-58A/U

13' (4M) RG-58A/U

10' (3M) RG-58A/U

User

AMATEUR

GMRS-MURS-COMMERCIAL

AMATEUR

Product Description

Authentic Genuine Nagoya NA-24J 16.2-Inch Ultra Whip VHF/UHF (144/430Mhz) Antenna SMA-Female for BTECH and BaoFeng Radios