Looking for a rugged, reliable UHF CB antenna for your vehicle or base station?

The RFI CD34-71-73 is your perfect solution.

This 4dBi Monopole antenna, operating at 477MHz, features a durable end-fed dipole design with a tuned circuit and fully molded radiating element, making it ideal for almost any application.

Its ground plane independent design allows flexible mounting on vehicle mirrors, gutters, or roof racks, while the 5-meter RG58 cable with FME female connector and UHF adaptor ensures easy installation.

With a robust UV-stable base, flexible whip and pre-tuned performance for the entire UHF CB band, the CD34-71-73 delivers exceptional durability and efficiency.

Upgrade your communication setup today with this versatile, high-quality antenna.

RFI CD34-71-73 Specifications

Downloads

CD34 Series Specifications

CD34 Series Install Sheet

CB Antenna Range – Flexible Whip Antennas

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The RFI CDR5000: Full-Band UHF CB Performance, Without the Bulk

Whether your convoy running the Simpson, running tracks in the High Country, or just need reliable comms for the daily drive — the RFI CDR5000 UHF CB Antenna delivers consistent 5dBi gain across the entire 477 MHz UHF CB band, no tuning, no fuss.

Built on RFI’s patented Meander collinear PCB technology, the CDR5000 achieves true pattern and gain stability that traditional whip antennas simply can’t match.

At 930mm and just 16mm in diameter, it’s engineered to be lightweight enough for mirror, guard, or bull bar mounting — yet rugged enough to handle corrugated outback roads.

The Q-Fit removable whip system is a genuine gamechanger. Pop the whip off in seconds before entering a car park, drive-through, or car wash — a waterproof cap keeps the base protected when the whip is removed. No more wrestling with low clearances or worrying about snapping your antenna.

Comes complete with 5m of low-loss RFI 9006 coax cable, an FME female connector, and a UHF-to-FME adapter — everything you need, ready to install. Pre-tuned from the factory: just mount, connect, and transmit.

Why 5dBi? Why the CDR5000?

5dBi is the sweet spot for mixed-terrain Australian driving. Unlike 6.5dBi high-gain antennas that compress signal into a narrow horizontal beam (great for flat plains, terrible for hills), or 3dBi stubbies with limited range, 5dBi strikes the balance: enough gain to extend your range on the highway, still reliable when you’re heading up or down a ridge.

The CDR5000 is the lighter sibling to RFI’s heavy-duty CDQ5000 — same patented PCB Meander technology, optimized for vehicles where every gram counts or where mounting points are less rigid.

FAQ’s

What is the difference between the RFI CDR5000 and the CDQ5000?

The CDR5000 is the lightweight version of the CDQ5000. Both use RFI’s patented Meander collinear PCB design and deliver 5dBi gain at 477MHz, but the CDR5000 uses a medium-duty spring assembly suited to guards, mirrors, and bull bars, while the CDQ5000 is built for heavier-duty off-road mounting. If you’re not running hardcore 4WD tracks, the CDR5000 is the ideal choice.

Do I need to tune the CDR5000 after installation?

No. The RFI CDR5000 is pre-tuned at the factory to cover the full 477 MHz UHF CB band. VSWR is less than 1.5:1 straight out of the box. Just mount, connect the cable, and it’s ready to use — no SWR meter or adjustments needed.

What does the Q-Fit system do?

Q-Fit is RFI’s quick-release whip system that lets you remove the antenna whip in seconds — no tools required. This is especially useful when entering multi-storey car parks, drive-throughs, or car washes where clearance is limited. A waterproof cap is included to seal the base while the whip is removed, preventing water and dust ingress.

Will the CDR5000 work on flat terrain and hilly areas?

Yes. 5dBi gain is widely recommended as the all-terrain sweet spot for Australian conditions. It provides meaningful range improvement over 3dBi stubbies on flat open ground, while maintaining adequate vertical radiation angle for communication in hilly and undulating terrain — unlike 6.5dBi high-gain antennas which can struggle in hills.

What cable and connectors are included?

The CDR5000 ships with 5 metres of low-loss RFI 9006 coaxial cable terminated with an FME female connector, plus a UHF-to-FME adapter. This suits the majority of popular UHF CB radios available in Australia.

What mount does the CDR5000 use?

The CDR5000 uses a standard 13mm threaded stud mount — compatible with the vast majority of bull bar, guard, and mirror mount brackets available in Australia.

Is this antenna ground plane independent?

Yes. The CDR5000’s Meander collinear PCB design is totally ground plane independent, meaning it performs consistently regardless of where it’s mounted on your vehicle — no need for a large metal ground plane like traditional antennas require.

What frequency range does the CDR5000 cover?

The CDR5000 is tuned for 477 MHz (Australian UHF CB) with an operational frequency range of 470–490 MHz. It covers all 80 UHF CB channels without any tuning or adjustment.

RFI CDQ3000-B UHF CB Antenna – 3dBi

RFI CDQ5000 5dBi UHF CB Antenna | Q-Fit Removable | Best 4WD Antenna Australia

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Why the RFI CDQ5000 is Australia’s Top Choice for UHF CB Performance

Looking for the best UHF CB antenna that delivers reliable long-range communication without sacrificing everyday practicality?

The RFI CDQ5000 stands out as a premium, Australian made 5 dBi collinear antenna engineered for real world Australian conditions — from bustling highways to remote outback tracks.

Whether you’re a weekend 4WD warrior, long haul trucker or overlander, this antenna combines exceptional range, rugged durability, and smart features like the patented Q-Fit™ quick-removable whip system.

No more worrying about car parks, car washes, or theft — simply twist off the whip in seconds.

Key Features & Benefits

• Patented Meander™ PCB Collinear Design — Delivers stable gain and radiation pattern across the full UHF CB band (476–477 MHz). Superior consistency compared to traditional wire wound antennas.
• 5 dBi Gain — The sweet spot for balanced performance: excellent fringe area range on highways and outback while maintaining a wide enough beam for hilly or built-up terrain.
• Q-Fit™ Removable Whip — Tool free removal for low clearance areas, security, or swapping to a shorter whip (e.g., CDQ3000/CDQ34 for city use).
• Heavy Duty Construction — Tapered fibreglass radome, extra heavy stainless steel spring (black chrome options), marine grade fittings. Built to survive corrugations, bull bars, and harsh UV/ weather.
• Ground Plane Independent — Flexible mounting on bull bars, guards, roofs, or mirrors.
• Pre-Tuned, No SWR Adjustment Needed — Full band coverage with VSWR <1.5:1.
• Includes 5m Low-Loss Cable — 9006 cable with FME female + UHF adaptor for easy vehicle routing.
• Power Rating — 25W (handles all standard UHF CB radios like GME, Uniden, Oricom).

Real-World Performance: Independent tests and user feedback show the CDQ5000 outperforming or matching premium competitors in range while offering better build quality and the unique removable feature.

RFI CDQ5000 vs Competitors – Comparison Chart

Verdict: The RFI CDQ5000 wins for users wanting premium performance + convenience. Pair it with a shorter whip for a versatile “City/Country” kit.

Technical Specifications

• Frequency: 477 MHz UHF CB (full band)
• Gain: 5 dBi
• Vertical Beamwidth: ~33°
• Power: 25W
• VSWR: <1.5:1
• Length: Approx. 970 mm (standard) / longer radome options
• Weight: ~1.15 kg
• Mount: 16 mm hole (common bull bar size)
• Cable: 5m low-loss with FME/UHF
• Colours: Black (stealth), White/Chrome options

Who Should Buy the RFI CDQ5000?

• 4WD owners fitting bull bars or roof racks
• Farmers, miners, and remote workers needing reliable comms
• Anyone frustrated with breaking fixed whips or poor range
• Users wanting a future-proof, Australian-made product trusted by emergency services and professionals

Pro Tip: For maximum versatility, buy the RFI CDQ5000 + CDQ3000/CD34 City/Country Kit.

Frequently Asked Questions (FAQ)

Q: Is the RFI CDQ5000 better than GME antennas?

A: RFI often edges out in build quality, pattern stability (thanks to PCB tech), and the removable Q-Fit system. Real-world range tests are very close, but RFI users praise longevity in tough conditions.

Q: Will it fit my vehicle?

A: Yes — standard 16 mm mount suits most bull bars, guards, and brackets. Ground plane independent.

Q: Do I need to tune it?

A: No. Factory pre-tuned for full 80-channel UHF CB band.

Q: How does it compare to 8 dBi antennas?

A: 5 dBi offers better all-round performance (wider beam). 8 dBi (e.g., CDQ8000) is for extreme long distance over flat terrain.

Q: Is it legal in Australia?

A: Fully compliant for UHF CB use (477 MHz).

Q: What’s the warranty?

A: Backed by RFI’s reputation for quality (check retailer for specifics).

Q: Black or white version?

A: Black (CDQ5000-B) for stealth/modern look; white for traditional visibility.

RFI CDQ3000-B UHF CB Antenna – 3dBi

RFI CDR5000 UHF CB Antenna 5dBi | Q-Fit, 477MHz | Total Antenna Australia

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CDQ3000-B Feature:

The RFI CDQ3000-B features the Q-Fit removable whip system for easy removal when entering low height areas. The antenna is supplied with a waterproof cap to prevent water or dust ingress when the whip is removed.

With a heavy-duty stainless-steel spring, the CDQ3000 can be installed on numerous mounting brackets and are ideal for installations in commercial vehicles, four-wheel drives and trucks.

Features:

– Patented PCB based Meander collinear design offering the ultimate in pattern and gain stability.
– 3dBi gain across the full 477 MHz UHF CB band.
– Q-Fit removable whip system for ease of removal in low height environments.
– Ground Independent

1. 2 P-41876-4 CDQ Series.pdf

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Boost your UHF CB range with Australia’s top-performing base station antenna – the RFI COL5000-N 5dBi UHF CB Antenna.

Designed and engineered in Australia by RFI, the COL5000-N is the go-to choice for home bases, farms, rural properties, depots, and worksites needing reliable long-distance communication on the 477 MHz UHF CB band.

Why the RFI COL5000-N Stands Above the Rest:

• Genuine 5dBi Gain — Delivers significantly extended range and clearer signals compared to standard mobile whips.
• Full 477 MHz Coverage — Perfectly tuned for all 40 and 80 channel UHF CB radios (475–478 MHz).
• Patented Meander™ PCB Technology — Provides outstanding pattern stability, low VSWR (<1.5:1), and consistent performance in all conditions.
• Integrated N-Female Connector — Allows you to run premium low-loss coaxial cable (LL213 or equivalent) for maximum efficiency and minimal signal loss.
• Rugged & Lightweight — Tapered black radome, stainless steel mounting tube, just ~0.82 kg and ~1 metre long. Built tough for the harsh Australian weather.
• Omni-Directional Coverage — 360° horizontal pattern with ~38° vertical beamwidth ensures reliable contact in every direction.
• Power Rating — Handles up to 25 Watts – ideal for high power UHF CB radios.

Whether you’re a truck driver coordinating with the fleet, a farmer staying in touch across large properties, or a remote homeowner needing dependable comms, the RFI COL5000-N UHF CB base station antenna gives you the professional-grade performance you can rely on.

Ideal For:

• Home or farm UHF CB base stations
• Mining, construction & industrial sites
• 4WD clubs and convoy communications
• Any fixed location wanting maximum 477 MHz range

Pre-tuned and ready to install – no tuning required. Pair it with quality low-loss coax and a sturdy mount (e.g. UB1 U-bolts) for professional results.

Ready to dominate the airwaves? Add the RFI COL5000-N 5dBi UHF CB Antenna to your cart today and experience clearer, longer-range UHF communications.

Frequently Asked Questions

Q: What is the gain and frequency of the RFI COL5000-N?

A: It offers 5dBi gain (approx. 3dBd) and is fully tuned for the entire 477 MHz UHF CB band (475–478 MHz).

Q: What is the difference between COL5000-N and COL8000-N?

A: The COL5000-N is 5dBi and shorter/lighter (~1m, 0.45–0.82 kg). The COL8000-N is a higher-gain 8dBi model, taller (~2.3m), for even longer range in open areas.

Q: Do I need special cable?

A: Yes — the integrated N-Female connector lets you use high-quality low-loss coax such as LL213 for best performance and minimal signal loss.

Q: Is this antenna suitable for home or farm use?

A: Absolutely. It’s one of the best UHF CB base station antennas in Australia for fixed installations requiring reliable omni-directional coverage.

Q: Is it pre-tuned?

A: Yes — fully pre-tuned with VSWR <1.5:1. No adjustment needed.

Q: What mounting hardware do I need?

A: Use U-bolts such as 2x UB1 brackets (not included). Mount as high and clear as possible.

Q: Will it work with my GME or Uniden radio?

A: Yes — compatible with all standard 477 MHz UHF CB radios.

Product Comparison Table

Winner for most users: The RFI COL5000-N strikes the best balance between performance, ease of installation, and price for typical Australian home/farm/worksites.

RFI COL5000 UHF CB Antenna 5dBi with 10m Cable | Best Base Station Antenna Australia

RFI CDQ5000 UHF CB Antenna – 5dBi

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Experience superior long-range communication with the RFI COL5000 UHF CB Antenna – Australia’s premium 5dBi collinear base station antenna.

Engineered by RFI for the 477 MHz UHF CB band, the COL5000 delivers outstanding performance for home bases, farms, rural properties, mining sites, and 4WD convoys. This complete ready-to-install kit includes 10 metres of low-loss 9006 cable with FME connector and UHF adaptor, plus stainless steel hose clamps – so you can get on air faster.

Why the RFI COL5000 is the #1 Choice:

• Genuine 5 dBi Gain — Significantly boosts your UHF CB range with a strong, stable signal.
• Full 477 MHz Coverage — Perfectly tuned for all 40 and 80 channel UHF CB radios (470–490 MHz).
• Patented Meander™ PCB Technology — Ensures excellent pattern stability, low VSWR (<1.5:1), and consistent performance.
• Complete Installation Kit — 10m pre-fitted low-loss cable (FME + UHF adaptor) + 2 stainless steel hose clamps included.
• Rugged & Lightweight — Parallel black radome, stainless steel mounting tube, only ~970 mm long and ~0.68–0.82 kg.
• Omni-Directional — 360° horizontal coverage with ~38° vertical beamwidth.
• Power Handling — Up to 25 Watts for high-power UHF CB radios.

Ideal for anyone needing reliable, long-distance UHF CB coverage in rural, hilly, or remote Australian conditions.

Pre-tuned and ready to install — no tuning required. Simply mount high and clear for maximum performance.

Order your RFI COL5000 UHF CB base station antenna today and enjoy clearer, longer-range communications on the 477 MHz band.

RFI COL5000-N UHF CB Antenna 5dBi | Best Collinear Base Station Antenna Australia

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