RFI 450-520MHz Broadband Ground Independent Mopole - MBC Base (Flexible Moulded Whip) - CD61-4552-50

RFI CD61-4552-50 450–520MHz Broadband Ground Independent Mopole Antenna – MBC Base (Flexible Moulded Whip)

The RFI CD61-4552-50 Broadband Ground Independent Mopole Antenna is a premium UHF mobile antenna designed for professional two-way radio systems operating across the 450–520MHz frequency range. Built for commercial fleets, emergency services, utilities, mining, transport, and industrial applications, it delivers dependable communications across a broad frequency spectrum without requiring tuning.

Featuring RFI's patented Ground Independent Mopole technology, a flexible moulded whip, and an MBC mounting base, the CD61-4552-50 provides outstanding durability and installation flexibility. Cable and connector are sold separately. Its broadband design makes it ideal for organisations operating across multiple UHF channels or radio networks while maintaining reliable performance in demanding environments.

Why Choose the RFI CD61-4552-50?

The CD61-4552-50 combines broadband performance with exceptional durability, making it an excellent choice for modern fleet communications.

Key Features

• Covers the full 450–520MHz UHF band with no tuning required means a straightforward install with one less variable to get wrong on site.
• Patented Ground Independent Mopole technology means reliable performance from bull bars, mirror brackets, canopies, and other non-standard mounting positions.
• Flexible moulded whip means outstanding resistance to impact, vibration, and harsh weather, for vehicles operating in demanding environments.
• Heavy-duty MBC mounting base means a secure, proven installation standard trusted by fleet operators.
• Suitable for analogue and digital radio systems means one antenna works across mixed fleets running older and newer radios.
• Weather and corrosion-resistant construction means dependable performance in demanding outdoor conditions.

What's in the Box

• 1 x RFI CD61-4552-50 Mopole antenna (flexible moulded whip)
• Heavy-duty MBC mounting base
• Not included: coaxial cable and connector, sold separately

Complete Your Setup

This antenna doesn't include a cable or connector. If you'd rather have a complete kit, see CD61-4552-53 (same band, MBC base with 5m cable fitted). Talk to us and we'll help you choose the right cable length and connector otherwise.

Key Specifications

Download the RFI CD61 Series installation sheet (PDF)

Other Bands in This Series

The CD61 series is also available at 380-470MHz. See CD61-3847-50 (MBC base, no cable), CD61-3847-53 (MBC base with 5m cable), or CD61-3847-00 (whip only). These are different frequency bands, not direct substitutes, so pick the one that matches your licensed frequency.

Video

No product video currently available for this model.

Ground Independent Mopole Technology

Unlike conventional mobile antennas, the CD61-4552-50 delivers excellent performance without relying on the vehicle body as a ground plane. This allows installation on bull bars, mirror brackets, roof racks, canopies, toolboxes, service bodies, fibreglass vehicle panels, and other specialist commercial vehicles.

Built for Commercial Fleets

Suitable for:

• Heavy transport
• Utility service vehicles
• Construction equipment
• Mining vehicles
• Agricultural machinery
• Forestry fleets
• Emergency response vehicles
• Council and government vehicles
• Industrial maintenance fleets

Why Buy From Mobile Systems Limited?

Mobile Systems Limited supplies professional mobile radio systems and antenna solutions throughout New Zealand. Our experienced team provides:

• Fleet communication system design
• Vehicle antenna selection
• Professional installations
• Radio programming
• Antenna testing and optimisation
• Fleet upgrades
• Ongoing servicing and technical support

Whether you're equipping a single vehicle or managing a nationwide fleet, we'll ensure your communication system is designed for maximum reliability and performance.

Frequently Asked Questions

What frequencies does the CD61-4552-50 support?

The antenna operates across the 450–520MHz UHF frequency range, making it suitable for many licensed analogue and digital radio systems.

Does the antenna require tuning?

No. The broadband design provides reliable performance across the operating frequency range without requiring field tuning.

What is Ground Independent Mopole technology?

Ground Independent Mopole technology allows the antenna to perform effectively without relying on the vehicle body as a ground plane, giving installers greater flexibility when choosing a mounting location.

What are the benefits of the flexible moulded whip?

The moulded whip is highly resistant to impacts, vibration, UV exposure, and harsh weather, making it ideal for commercial and off-road vehicles.

Does this antenna include a cable and connector?

No. The CD61-4552-50 is supplied with the MBC base and whip only, cable and connector are sold separately. If you'd prefer a complete kit, see CD61-4552-53 (MBC base with 5m cable) above.

Is the antenna suitable for digital radio systems?

Yes. The CD61-4552-50 is compatible with both analogue and digital UHF radio systems operating within the specified frequency range.

Can Mobile Systems Limited install this antenna?

Yes. We supply, install, test, and commission RFI antennas and complete two-way radio systems for commercial, industrial, and government customers throughout New Zealand.