Dual Band Antenna 2m 70cm GMRS VHF UHF Base Station - High Gain

In this review of the Dual Band Antenna 2m 70cm GMRS VHF UHF base station antenna, the bottom line is simple: this antenna is for users who need reliable dualband coverage with modest gain in a compact, weatherproof package. It is a practical choice for ham operators, RV and marine users, and small base stations because it covers 136-174 MHz and 400-470 MHz, delivers respectable gain of 3.5 dBi at 144 MHz and 5.5 dBi at 433 MHz, and is rated for up to 100 W. The construction and mounting hardware aim to make outdoor installation straightforward while offering DC ground lightning protection.

Key Features

• Dual band coverage: The antenna covers 136-174 MHz and 400-470 MHz so a single mast mount works for 2m and 70cm operation without swapping antennas.
• Noticeable gain: With 3.5 dBi at 144 MHz and 5.5 dBi at 433 MHz the antenna provides improved receive and transmit range over a simple rubber duck or lowgain whip.
• Robust outdoor build: White fiberglass radome and stainless steel radials resist corrosion for rooftop, pole or marine deck mounting.
• Easy base connection: The antenna uses an SO-239 (UHF female) base so common PL259 pigtails and coax adaptors mate cleanly for station integration.
• Weather and lightning considerations: It includes DC grounding for lightning protection and is rated for wind up to 60 m/s, making it suitable for exposed installations.
• Compact footprint: At roughly 1.1 m long it fits tight roof or attic spaces while still delivering dual band performance.

Who It's For

This antenna is aimed at ham radio operators, GMRS users, RV and marine owners, and homeowners who need a single, durable antenna to handle both VHF and UHF bands without complicated switching. Its 100 W rating and SO-239 base make it a good fit for modest base stations and mobile installations that use a permanent pole or mast.

Those seeking very high directional gain, multielement beam antennas, or active installations requiring integrated duplexers should look elsewhere; this is a vertical dual band whip optimized for omnidirectional coverage and ease of installation rather than extreme gain or narrow beam control.

Pros & Cons

Pros

• Dual band operation covers the common 2 m and 70 cm ham/GMRS ranges with a single antenna.
• Decent gain for a vertical whip improves range compared with basic antennas.
• Durable white fiberglass radome and stainless steel radials suit outdoor use and resist corrosion.
• Simple SO-239 connection and included mounting bracket make installation straightforward.

Cons

• Some customers report mixed opinions on build quality, so buyers who require premium hardware may prefer a higherend model.
• It is omnidirectional, so users needing directional performance or very high gain should choose a beam antenna instead.

Specifications

Frequency (MHz)	136-174 / 400-470
Gain	3.5 dBi @144 MHz, 5.5 dBi @433 MHz
VSWR	Less than 1.5
Maximum Input Power	100 W
Connector	SO-239 (UHF female)
Length	Approximately 1.1 m (1150 mm)
Construction	White fiberglass radome with stainless steel radials

Our Verdict

The Dual Band Antenna 2m 70cm GMRS VHF UHF base station antenna is a sensible, valueoriented choice for operators who want reliable omnidirectional dual band coverage in a compact, weatherproof package. It is best for ham operators, RV and marine setups, and small base stations that need a simple SO-239 mount and up to 100 W handling. For those who need higher directional gain or premium hardware finish, consider a different antenna, but for general dual band use this antenna offers solid performance for the price.

Frequently Asked Questions

Does this antenna cover both 2 m and 70 cm bands?
Yes, it covers 136-174 MHz and 400-470 MHz, which includes standard 2 m and 70 cm ham and GMRS allocations.

What connector does it use?
The antenna uses an SO-239 (UHF female) base; use a PL259 male pigtail or adapter to connect your coax.

Is it suitable for outdoor mounting?
Yes, the antenna is built with a fiberglass radome and stainless steel radials for outdoor use and includes DC grounding for lightning protection.