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Fleetwood Digital

ShengDa Com SDN3VU Logging Road Commercial GMRS Dual Band NMO Mobile Antenna

ShengDa Com SDN3VU Logging Road Commercial GMRS Dual Band NMO Mobile Antenna

Regular price $45.00 CAD
Regular price Sale price $45.00 CAD
Sale Sold out
Shipping calculated at checkout.

The ShengDa Com SDN3VU Logging Road Commercial Dual NMO Mobile Antenna is a high-quality radio antenna designed for amateur radio enthusiasts who require a versatile and efficient antenna for their mobile applications. The SDN3VU model is designed to be mounted on a vehicle or fixed location using an NMO mount and features a broadband design that allows it to operate on a wide range of frequencies.

The SDN3VU antenna is a dual-band antenna, which means that it is capable of transmitting and receiving signals on two different frequency bands: VHF and UHF. The VHF frequency range is 150-155 MHz, while the UHF frequency range is 450-470 MHz. Additionally, the antenna features a land mobile design that allows it to transmit on the commercial frequency range, making it ideal for use with frequencies outside of the amateur band, for example logging roads.

The SDN3VU antenna is constructed using high-quality materials to ensure durability and reliability. The antenna is made of stainless steel, which is resistant to rust and corrosion, and the base is made of high-strength magnet materials. The antenna is also designed to be weather-resistant, so it can be used in all kinds of weather conditions.

This antenna has a total length of ~890 CM, and it has a unity gain of 2.5 dBi on the VHF band and 3.5 dBi on the UHF band. The antenna also has a power rating of 100 watts, which means that it can handle high power transmissions without being damaged.

One of the best features of the SDN3VU antenna is its optimization for the land mobile frequencues. This allows the antenna to operate efficiently on the logging roads and other frequencies commonly used on the highways. The antenna is also designed to be easy to install, thanks to the NMO mount. 

Overall, the ShengDa Com SDN3VU Broadband Dual Band NMO Mobile Antenna is an excellent choice for amateur radio enthusiasts who require a versatile and efficient antenna for their mobile applications. Its dual-band capability, broadband design, durable construction, and easy installation process make it a great choice for a wide range of radio applications.

Electrical specifications
Frequency Range(MHz)

150-155 MHz / 430-470 MHz



Gain (dBi)

2.5 / 3.5

Polarization Vertical
Radiation Omni


Maximum input power (W)



Mechanical specifications




Radome Material

Stainless Steel





Operating temperature (℃)



Shipping & Returns

Shipping Information

1. Estimated Shipping Time

Most orders will ship within one (1) business day of payment receipt, Some will be shipped within 3 business days. Once your order has been shipped, you will receive an email notification. . We do not ship on weekends or various national holidays.


2.Delivery Time & Shipping Fee

Note: We only ship to Canada and the U.S (some conditions applied)

For domestic orders, We offer free shipping via Canada Post Regular Parcel Services (Expedited service is available for extra charge);

For U.S orders, we ship via UPS standard services.

For U.S Buyers

  • Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility.
  • Please check with U.S customs office to determine what these additional costs will be prior to bidding/buying.
  • These charges are normally collected by the delivering freight (shipping) company or when you pick the item up - do not confuse them with additional shipping charges.
  • We do not mark merchandise values below value or mark items as "gifts".
  • Free shipping only applies to domestic orders. There will be a shipping charge for U.S buyers.

The exact time of arrival varies from difference address. Due to the COVID-19, delivery time may be affected in some areas. It is usually delayed 1-3 business days than the original basis.Buyer Feedback

3. How to track my orders?

After placing your order, you will receive an email with details of your order. You could follow the link in email to track your order. 

If you did not receive it, you could contact us to track the order. 

4. About Taxes

We charge Tax on all Canadian orders, and the taxes will be calculated at checkout.


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  • Free Shipping

    We proudly offer Free shipping to all Canadian on every order, big or small.

  • Hassle-Free Exchanges Or Return

    Change your mind? Don't like what you getting? No problem, contact our support team and we are glad to help you out.