UHF/VHF 144/430MHz 200W Fiberglass Omni Base Station Antenna

In this review the YN-A-SJ-UV-1.7 dual-band base station antenna is evaluated for amateur and commercial users who need reliable VHF and UHF coverage. The bottom line: this fiberglass omni antenna is best for operators using mobile transceivers or small repeater setups who want a weatherproof, high-power-rated antenna with clear performance gains on both 144 and 430MHz. The reviewer found its 200W rating, 7.2dBi UHF gain and 4.5dBi VHF gain, and simple two-section assembly to be the most compelling reasons to choose it for outdoor base applications.

Key Features

• Dual-band operation: Covers 144/430MHz so a single antenna handles both VHF and UHF without swapping elements, simplifying station setup.
• High power handling: The 200-watt max power rating means it is suitable for high-wattage mobile transceivers and modest repeater systems without risking damage.
• Gain performance: Offers 7.2dBi on UHF and 4.5dBi on VHF, delivering improved range and signal strength compared with many stock whip antennas.
• Weather resistant construction: Fiberglass radome and corrosion-resistant hardware stand up to shoreline and outdoor environments for long-term outdoor use.
• Two-section design: Breaks down for easier transport and storage and assembles to 67 in tall for full base-station height.
• Included mounting hardware: Supplied U-bolts fit 30mm to 62mm masts so mounting on common poles is straightforward.

Who It's For

This antenna is aimed at amateur radio operators, small-club repeater installers and users of mobile transceivers such as AnyTone, BTECH, Icom, Midland and Retevis who need a robust outdoor omnidirectional antenna. Its combination of 200W power rating and dual-band performance make it a practical upgrade when replacing lower-gain mobile whips or when setting up a base station without space for a larger tower array.

Those who need directional gain for long-distance point-to-point links or multi-element repeater stacks should look elsewhere, since this is an omni-directional base antenna designed for broad coverage rather than narrow-beam performance.

Pros & Cons

Pros

• Solid dual-band performance with clear gain improvements on both UHF and VHF.
• Weatherproof fiberglass construction reduces corrosion concerns for coastal and outdoor installs.
• 200W power rating supports higher-power transceivers and small repeater use.

Cons

• Omni pattern sacrifices directional range compared with beam antennas, so not ideal for long-distance point-to-point links.
• Height is fixed at 67 in assembled; taller tower installations may require different models.

Specifications

Our Verdict

The YN-A-SJ-UV-1.7 is a good-value, practical dual-band omni antenna for users who want reliable VHF/UHF base coverage without complex installation. Its 200W rating, weatherproof fiberglass radome and included mast hardware make it a sensible upgrade for mobile transceivers and small repeater systems that need improved gain and durability.

Frequently Asked Questions

Will this antenna fit my mast?
The antenna includes U-bolts that fit mast diameters from 30mm to 62mm and will mount to common poles used for small base stations.

What connector type does it use?
It uses a UHF female SO239 connector and is specified for 50 ohm systems.

Is it weather resistant for coastal installations?
The fiberglass radome and aluminum-alloy hardware are designed to resist corrosion and shoreline environmental exposure.