DIAMOND ANTENNA M285S Vhf Wave High Mobile Radio 144-172 5/8 52.4

( Brand: Diamond Antenna ), ( Type: Mobile Antenna ), ( Manufacturer Part Number: M285S ), ( Item Weight: 1.21 )

Review DIAMOND ANTENNA Vhf Mhz 5/8 Wave 52.4 Inch High Gain Mobile Radio

Introducing the Diamond Antenna M285S, a high-performance VHF mobile antenna designed for reliable communication in the 144-172 MHz band. This 5/8 wave antenna, with a frequency range of 136-174 MHz and a gain of 5.24 dBi, is an excellent choice for amateur radio operators, public safety agencies, and commercial fleet vehicles.

Crafted from high-quality materials, the M285S boasts a rugged, durable construction. Its black, corrosion-resistant, powder-coated finish ensures long-lasting protection against the elements, making it an ideal solution for both on-road and off-road applications. The antenna's stainless steel base and coaxial connector further enhance its durability, providing resistance to harsh environmental conditions.

The M285S offers a compact design, measuring only 16.5 inches in length and 3 inches in diameter. Its low-profile, sleek appearance makes it an aesthetically pleasing addition to any vehicle. Despite its compact size, the antenna delivers exceptional performance, ensuring clear and reliable communications.

The M285S utilizes Diamond's patented Discone design, which offers a broadband frequency response, excellent front-to-back ratio, and a high degree of radiation efficiency. This results in a strong, directional signal that penetrates through various obstacles, such as buildings, trees, and other vehicles, for uninterrupted communication.

The antenna's integrated SMA connector provides a secure, reliable connection to your mobile radio. It can be easily mounted on the roof or side of your vehicle using the included U-bolt or magnet mounting options. The SMA connector also enables simple antenna tuning and provides the flexibility to upgrade to other Diamond antennas or accessories without the need for a new antenna.

In summary, the Diamond Antenna M285S is a versatile, high-performance VHF mobile antenna designed for reliable communication in the 144-172 MHz band. Its rugged construction, compact design, and exceptional performance make it an essential tool for amateur radio operators, public safety agencies, and commercial fleet vehicles. With its durability, ease of installation, and flexibility, the M285S is the go-to antenna for anyone in need of clear, uninterrupted communications on the go.

Pros and Cons of Buying a Diamond Antenna M285S VHF 144-172 5/8 Wave 52.4 High Mobile Radio

1. **Improved Reception:** The Diamond Antenna M285S is known for its high gain and directional design, which can significantly enhance the reception of VHF signals in the 144-172 MHz range. This makes it an excellent choice for ham radio operators, emergency services, and other professionals who rely on clear and reliable communication.

2. **Durable Construction:** The antenna is built with high-quality materials, including a corrosion-resistant stainless steel base and a fiberglass radome. This ensures that it can withstand harsh environments and continuous use, making it a long-term investment for mobile radio applications.

3. **Easy Installation:** The Diamond Antenna M285S comes with a mounting bracket and all necessary hardware for easy installation on most vehicles. The antenna also features a detachable base for convenient removal when not in use.

4. **Narrow Beamwidth:** The directional nature of the M285S antenna means that it has a narrower beamwidth compared to omnidirectional antennas. This can be both an advantage and a disadvantage, as it may require more precise antenna alignment for optimal performance.

5. **Limited Frequency Range:** The Diamond Antenna M285S is designed specifically for the 144-172 MHz VHF band. While this covers many common amateur radio and business radio applications, it may not be suitable for users who require coverage in other frequency ranges.

6. **Potential for Slightly Increased Wind Resistance:** Due to its larger size and directional design, the M285S antenna may experience slightly more wind resistance compared to smaller, omnidirectional antennas. This could potentially lead to increased vibration and potential damage if not properly secured.

In conclusion, the Diamond Antenna M285S VHF 144-172 5/8 Wave 52.4 High Mobile Radio offers improved reception, durable construction, and easy installation for users requiring coverage in the 144-172 MHz VHF band. However, its narrower beamwidth and limited frequency range may be disadvantages for some users. Ultimately, the decision to purchase this antenna depends on the specific communication needs and application requirements of the user.

Recommendation: If you require reliable and clear communication in the 144-172 MHz VHF band for your mobile radio applications, the Diamond Antenna M285S is an excellent choice due to its high gain, directional design, and durable construction. However, if you need coverage in other frequency ranges or prefer an omnidirectional antenna, you may want to consider alternative options.

Details:

Diamond M285S. UHF Male PL-259. RF Electronics Experience.

part #: m285s prices

• $45.10-$59.95

specifications radiorigor:

• brand: Diamond Antenna
• type: Mobile Antenna
• manufacturer part number: M285S
• item weight: 1.21

general radiorigor:

• Radio Communication > Antennas > Other Radio Antennas
• condition: New

shipping radiorigor:

• transit: 3-10 Days
• cost: $0.00
• service: Standard
• type: Fixed
• class: Standard

seller radiorigor:

• city: Rexford, Montana
• # reviews: 36796
• rating: 100.0%

payments radiorigor:

• wallet: Google-pay
• credit card: Mastercard
• other

offer radiorigor:

• sold: 0
• started: November 3, 2025
• quantity: 2
• availability: In Stock
• options: Ship-to-home

returns radiorigor:

• policy: No Returns

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