CUSHCRAFT SN-4501A Signals Wave Uhf Nmo Mobile Antenna Ham Cushcraft/signals 1/4 450-470 Ham/gmrs

( Brand: Cushcraft ), ( Directivity: Omni-directional ), ( Compatible Brand: Universal ), ( Type: Antenna ), ( Unit Type: Unit ), ( Band: Uhf ), ( Manufacturer Part Number: SN-4501A ), ( Compatible Product: Mobile/in-vehicle Radio ), ( Unit Quantity: 1 Piece )

Review CUSHCRAFT Cushcraft/signals 1/4 Wave 450-470 Mhz Uhf Nmo Mobile Antenna Ham/gmrs

The Cushcraft SN-4501A, also known as the Cushcraft/Signals SN4501A, is a high-performance 1/4 wave NMO (Nearly Matching Object) mobile antenna specifically designed for Ham (Amateur Radio) and GMRS (General Mobile Radio Service) applications within the UHF frequency range of 450-470 MHz.

This antenna boasts a compact and rugged design, making it an ideal choice for those who require a reliable and efficient communication solution while on the move. Its NMO mounting system ensures a secure and stable installation on your vehicle, allowing you to maintain a consistent and strong radio connection even during rough terrain or adverse weather conditions.

The Cushcraft SN-4501A is engineered with a high-quality, corrosion-resistant radome that effectively shields the antenna's internal components from the elements. Its sturdy construction, combined with its ability to handle high power output, makes it an excellent investment for both amateur radio enthusiasts and professional communication users.

This mobile antenna features a frequency range of 450-470 MHz, ensuring optimal performance within the UHF band. Its 1/4 wave design offers a balanced and efficient radiation pattern, which translates to improved signal gain and a broader coverage area. Additionally, its low-SWR (Standing Wave Ratio) ensures minimal power loss and maximum energy transfer to the radio, resulting in a clearer and stronger signal.

The Cushcraft SN-4501A is a versatile mobile antenna, suitable for various applications, including repeaters, base stations, and handheld radios. Its compact size and durable construction make it an excellent choice for use in both urban and rural environments, providing reliable communication solutions for those who need it most.

In summary, the Cushcraft SN-4501A is a high-performance, compact, and rugged mobile antenna designed for Ham and GMRS applications within the UHF frequency range of 450-470 MHz. Its NMO mounting system, high-quality construction, and efficient radiation pattern make it an ideal choice for those who demand a reliable and consistent communication solution while on the move.

The Cushcraft SN-4501A/Cushcraft/Signals SN4501A is a 1/4 wave NMO (Negative Magnetically Optimized) antenna designed for use in the UHF frequency range of 450-470 MHz, suitable for both Amateur Radio (Ham) and General Mobile Radio Service (GMRS). Here are some pros and cons that might help in your decision-making process:

1. Broadband Coverage: The SN-4501A covers a wide frequency range, making it a versatile choice for users who need to communicate across various UHF bands.

2. Compact Design: The antenna's compact size makes it an excellent choice for mobile applications, where space is often limited.

3. Durable Construction: The antenna is built to withstand harsh environments, making it suitable for off-road and adventure use.

4. Easy Installation: NMO mounts are widely used and easy to install, allowing users to get their antenna up and running quickly.

5. Good Performance: The SN-4501A is known for its good gain and directionality, making it an effective choice for achieving better range and signal clarity.

1. Limited Gain: Compared to other antenna types, the SN-4501A has a relatively low gain, which might not be ideal for users who need maximum range or coverage.

2. Potential SWR Issues: Some users have reported issues with SWR (Standing Wave Ratio), which can affect the performance and reliability of the antenna.

3. Limited Compatibility: The SN-4501A may not be compatible with all radio systems, so it's essential to check the specifications of your radio before making a purchase.

4. Cost: The SN-4501A is more expensive than some other UHF mobile antennas on the market.

In conclusion, the Cushcraft SN-4501A/Cushcraft/Signals SN4501A is a solid choice for mobile Amateur Radio and GMRS users who need a versatile, compact, and durable antenna for the UHF frequency range. Its broadband coverage, easy installation, and good performance make it a worthwhile investment for many users. However, its relatively low gain, potential SWR issues, limited compatibility, and higher cost are factors that should be carefully considered before making a purchase. Ultimately, the decision to buy the SN-4501A depends on your specific needs, budget, and radio system. If you require maximum gain or want to minimize costs, you might want to explore other antenna options.

Details:

Frequency Range: 450-470 MHz. Free Shipping. Metal ground plane is required. These require no tuning, broadband.

You are purchasing 1 New, Old Stock Cushcraft/Signals SN4501A 1/4 Wave 450-470 Mhz UHF NMO Mobile Antenna HAM/GMRS. Gain: Unity: Unity/2.15 FBI. These are a 6-1/4 inch long, stainless steel quarter wave unidirectional whip antenna with chrome finish for operation in the 450-470 MHz frequency range, NMO base. This Antenna requires a NMO Mount.

part #: sn4501a price

• $19.95

specifications radiorigor:

• brand: Cushcraft
• directivity: Omni-directional
• compatible brand: Universal
• type: Antenna
• unit type: Unit
• band: Uhf
• manufacturer part number: SN-4501A
• compatible product: Mobile/in-vehicle Radio
• unit quantity: 1 Piece

returns radiorigor:

• time: 30 Days
• paid by: Buyer
• method: Money back
• policy: Returns Accepted

seller radiorigor:

• city: Lockport, New York
• # reviews: 25971
• rating: 99.7%

payments radiorigor:

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

general radiorigor:

• condition: Open box
• Radio Communication > Antennas > Other Radio Antennas

shipping radiorigor:

• cost: $0.00
• class: Standard
• carrier: USPS
• service: USPS First Class
• type: Calculated
• transit: 5-10 Days

offer radiorigor:

• started: September 17, 2025
• sold: 0
• quantity: 6
• options: Ship-to-home
• availability: In Stock

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