RFI CDX-TREME CDX3000 3.1dBi UHF CB 477MHz Extra Heavy-Duty Bull Bar Antenna 590mm

RFI CDX-TREME CDX3000 3.1dBi UHF CB 477MHz Bull Bar Antenna with Larger Rugged Heavy-Duty Spring

Built for Australia's Toughest Conditions the RFI CDX-TREME CDX3000 is a premium 3.1dBi UHF CB 477MHz 590mm vehicle antenna engineered for drivers who demand reliable communication in the harshest Australian environments. Designed specifically for 4WDs, touring vehicles, utes, commercial fleets, and off-road enthusiasts, this heavy-duty bull bar antenna delivers outstanding performance across the entire Australian UHF CB band. 

Featuring RFI's patented Meander™ PCB collinear antenna technology, the CDX3000 provides superior signal stability, exceptional RF performance, and reliable long-range communications whether you're travelling through the outback, regional Australia, or remote work sites.  

Its rugged oversized spring, reinforced ferrule construction, and removable whip make it one of the toughest UHF antennas available for serious off-road use.

Why Choose the RFI CDX-TREME CDX3000?

Whether you're exploring remote tracks, towing a caravan, working on mine sites, or travelling Australia's highways, the CDX-TREME delivers dependable communication when it matters most.

Superior UHF CB Performance

Designed to maximise communication across the full 477MHz UHF CB frequency range, the CDX3000 offers:

• Excellent signal strength across the entire UHF CB band
• Stable radiation pattern for consistent coverage
• Outstanding performance in regional and remote Australia
• Long-range communication with compatible UHF CB radios
• Ideal balance of gain for mixed terrain driving

Engineered with Australian Innovation

At the heart of the CDX-TREME is RFI's patented Meander™ PCB antenna technology, proudly designed and manufactured in Australia.

Unlike conventional wire-wound antennas, the precision-engineered PCB collinear design delivers:

• Greater pattern stability
• Improved gain consistency
• Enhanced mechanical strength
• Exceptional durability in harsh environments
• Reliable performance in demanding off-road conditions

Built Tough for Serious Off-Roading

Purpose-built for Australia's toughest terrain, the CDX-TREME features a significantly larger heavy-duty spring assembly and reinforced ferrule architecture to withstand:

• Extreme vibration
• Corrugated roads
• Off-road tracks
• Heavy commercial use
• Harsh weather conditions

The oversized spring absorbs impact while protecting the antenna, making it ideal for touring, agriculture, mining, emergency services, and commercial vehicles.

Convenient Removable Whip

The removable whip system allows the antenna to be quickly removed when required, making it perfect for:

• Underground and multi-storey car parks
• Car washes
• Low-clearance garages
• Vehicle security
• Easy storage and replacement

A secure locking grub screw keeps the whip firmly in place during even the roughest adventures.

Key Features

• 3.1dBi gain
• Operates across the Australian UHF CB 477MHz band
• Heavy-duty oversized spring base
• Patented Meander™ PCB collinear antenna technology
• Reinforced ferrule construction
• Black whip and spring with signature blue RFI accent
• 590mm overall antenna length
• Bottom-fix spring base
• Locking grub screw whip retention
• Rugged low-maintenance design
• Ideal for bull bar mounting
• Suitable for 4WDs, utes, SUVs, trucks and commercial vehicles
• Designed and engineered in Australia

Specifications

What's Included

• RFI CDX-TREME CDX3000 Antenna
• Heavy-duty spring base
• 5m coaxial cable
• FME Female connector
• UHF Male adaptor

Ideal Applications

The RFI CDX-TREME CDX3000 is perfect for:

• 4WD touring
• Off-road vehicles
• Bull bar installations
• Camping and caravanning
• Commercial vehicles
• Mining and construction
• Agricultural machinery
• Emergency communications
• Regional and remote travel

Why Buy the RFI CDX-TREME CDX3000?

Designed by Australia's leading antenna engineers, the CDX-TREME combines cutting-edge RF technology with exceptional durability to deliver dependable communications wherever your journey takes you.

If you're looking for a premium UHF CB antenna for your 4WD, bull bar antenna, or 477MHz vehicle antenna that performs in Australia's toughest environments, the RFI CDX-TREME CDX3000 is built to exceed expectations.