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. 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 450–520MHz UHF frequency band
• Broadband operation with no tuning required
• Patented Ground Independent Mopole™ technology
• Flexible moulded whip
• Heavy-duty MBC mounting base
• Omnidirectional radiation pattern
• Suitable for analogue and digital radio systems
• Performs without requiring a vehicle ground plane
• Weather and corrosion-resistant construction
• Australian designed and manufactured

Broadband Performance

The CD61-4552-50 operates across a wide frequency range without requiring field tuning.

Benefits include:

• One antenna supports multiple operating frequencies
• Ideal for multi-channel radio networks
• Simplifies fleet installations
• Reduces maintenance requirements
• Consistent RF performance across the operating band
• Suitable for evolving communication networks

This flexibility makes it ideal for organisations operating across multiple licensed UHF channels.

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
• Specialist commercial vehicles

This installation flexibility makes it well suited to today's commercial vehicle designs.

Flexible Moulded Whip

The flexible moulded whip is engineered to withstand harsh operating environments while maintaining excellent RF performance.

Advantages include:

• Excellent flexibility
• Resistant to impact damage
• Handles vibration and movement
• Long service life
• UV and weather resistant
• Ideal for off-road and industrial vehicles

The moulded construction helps protect the antenna from everyday knocks encountered in commercial operations.

Reliable UHF Communications

Operating across the 450–520MHz UHF band, the CD61-4552-50 is suitable for a wide variety of licensed radio systems.

Ideal for:

• Commercial fleet communications
• Emergency services
• Utilities
• Mining operations
• Civil construction
• Transport and logistics
• Local government
• Security organisations
• Industrial facilities
• Infrastructure maintenance

Its omnidirectional radiation pattern provides reliable communications while vehicles remain on the move.

Built for Commercial Fleets

The CD61-4552-50 is engineered for continuous operation in demanding environments.

Suitable for:

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

Its heavy-duty construction provides reliable communications where downtime is not an option.

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.

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?

Absolutely. Mobile Systems Limited supplies, installs, tests, and commissions RFI antennas and complete two-way radio systems for commercial, industrial, and government customers throughout New Zealand.