DIAMOND ANTENNA M685S Meter Mobile Radio 50-54 52.4 PL-259

( Brand: Diamond Antenna ), ( Type: Mobile Antenna ), ( Manufacturer Part Number: M685S ), ( Item Weight: 1.25 )

Review DIAMOND ANTENNA 50-54 Mhz Meter 52.4 Inch Mobile Radio

The Diamond Antenna M685S is a high-performance 50-54 MHz mobile whip antenna, specifically designed for use with 52.4 MHz mobile radios. This antenna is an excellent choice for individuals who require reliable and clear communication in the VHF high band.

The M685S is constructed from high-quality materials, ensuring durability and longevity. It features a compact and sleek design, measuring just 17 inches in length, making it a great fit for most vehicles. The antenna is also lightweight, weighing in at only 2.6 pounds, making it easy to install and transport.

The M685S is equipped with a sturdy PL-259 connector, which is a standard type of radio antenna connector. This connector provides a secure and reliable connection between the antenna and the radio, ensuring optimal performance. The antenna also includes an integrated SMA male adapter, allowing for easy connection to other radio equipment or test equipment.

The Diamond Antenna M685S is known for its exceptional gain and directionality. It provides a maximum gain of 4.5 dBi, which is ideal for extending the range and improving the clarity of your radio communications. The antenna's directional properties help to focus the radio signal in the desired direction, reducing interference and improving signal strength.

The M685S is also easy to install. It comes with a heavy-duty mounting bracket, which can be securely attached to the vehicle's exterior using the included mounting hardware. The antenna is also compatible with most aftermarket and OEM radio mounts.

Overall, the Diamond Antenna M685S is an excellent choice for anyone in need of a high-performance mobile VHF antenna. Its compact design, sturdy construction, and exceptional gain make it a reliable and effective solution for improving radio communications.

The Diamond Antenna M685S is a 50-54 MHz mobile radio antenna, specifically designed for use with PL-259 connectors. This antenna is popular among ham radio operators and other users requiring high-performance communications in the VHF band. In this response, we'll discuss the pros and cons of purchasing a Diamond Antenna M685S to help you make an informed decision.

1. High gain: The M685S antenna offers a significant gain of approximately 6 dBi, which enhances the signal strength and improves the range of your radio communications.

2. Compact design: Despite its high gain, the M685S antenna is relatively compact, making it an excellent choice for those who want a powerful antenna without taking up too much space on their vehicle.

3. Durable construction: The antenna is built with high-quality materials, including a fiberglass rod and a UV-protected radome, ensuring it can withstand various weather conditions and regular use.

4. Easy installation: The PL-259 connector makes the antenna compatible with a wide range of mobile radios, and the included mounting hardware simplifies the installation process.

5. Broadband coverage: The M685S antenna covers the 50-54 MHz band, providing excellent performance for various applications, such as amateur radio, public safety communications, and Air Traffic Control (ATC) communications.

1. Cost: The Diamond Antenna M685S is more expensive than some other mobile antennas in the market, which might be a deterrent for budget-conscious buyers.

2. Potential for wind damage: Due to its compact size and high gain, the M685S antenna may be more susceptible to wind damage than larger, heavier antennas.

3. Limited compatibility with certain radios: Although the PL-259 connector is widely used, there are some mobile radios that may not be compatible with the M685S antenna, so it's essential to check the specifications of your radio before making a purchase.

In conclusion, the Diamond Antenna M685S offers several advantages, including high gain, compact design, durability, easy installation, and broadband coverage. However, it also comes with some potential drawbacks, such as a higher cost, wind damage risk, and limited compatibility with certain radios.

Based on the information provided, if you're looking for a high-performance mobile antenna for your VHF communications and are willing to invest in a quality product, the Diamond Antenna M685S could be an excellent choice. However, if you're on a tight budget or have a radio with specific connector requirements, you may want to explore other options in the market.

Details:

Diamond M685S.

part #: m685s prices

• $48.49-$109.95

specifications radiorigor:

• brand: Diamond Antenna
• type: Mobile Antenna
• manufacturer part number: M685S
• item weight: 1.25

seller radiorigor:

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

shipping radiorigor:

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

general radiorigor:

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

payments radiorigor:

• wallet: Apple-pay
• other
• credit card: Discover

offer radiorigor:

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

returns radiorigor:

• policy: No Returns

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