RFI CD61-3847-00 380–470MHz Broadband Ground Independent Mopole™ Antenna Whip

The RFI CD61-3847-00 Broadband Ground Independent Mopole™ Antenna Whip is a premium UHF antenna designed for professional mobile radio systems operating across the 380–470MHz frequency range. Engineered for demanding commercial, government, and public safety applications, this broadband whip delivers reliable communications across a wide frequency spectrum without requiring tuning.

Designed as a replacement whip for compatible RFI Mopole™ antenna bases, the CD61-3847-00 provides outstanding RF performance, exceptional durability, and the flexibility required for modern multi-channel and multi-network radio systems.

Why Choose the RFI CD61-3847-00?

Designed and manufactured by RFI, this broadband antenna whip offers reliable performance for organisations operating across multiple UHF frequencies.

Key Features

• Covers the 380–470MHz UHF frequency range
• Broadband operation with no tuning required
• Ground Independent Mopole™ technology
• Replacement whip for compatible RFI antenna bases
• Tapered stainless steel radiator
• Rugged construction for commercial applications
• Omnidirectional radiation pattern
• Suitable for digital and analogue two-way radio systems
• Ideal for fleet and government vehicles
• Australian designed and manufactured

Broadband Performance Across the UHF Band

The CD61-3847-00 is designed to operate across a broad UHF frequency range, making it ideal for organisations using multiple licensed radio channels or migrating between radio networks.

Its broadband design provides:

• Consistent performance across the operating band
• No field tuning required
• Simplified fleet installations
• Reliable communications across multiple channels
• Reduced maintenance requirements

This flexibility makes it an excellent choice for large fleets and evolving communication networks.

Ground Independent Technology

RFI's patented Ground Independent Mopole™ technology allows the antenna to perform consistently without relying on the vehicle body as a ground plane.

This enables installation on:

• Bull bars
• Mirror brackets
• Roof racks
• Canopies
• Toolboxes
• Fibreglass vehicle bodies
• Utility service bodies
• Specialist fleet vehicles

The result is dependable radio coverage from mounting locations where conventional antennas may not perform effectively.

Built for Harsh Environments

Designed for commercial and industrial use, the CD61-3847-00 is built to withstand the demanding conditions experienced by working vehicles.

Its robust construction includes:

• Flexible tapered stainless steel whip
• Corrosion-resistant materials
• Heavy-duty design for daily commercial use
• Excellent resistance to vibration and impact
• Long service life in harsh outdoor environments

Whether installed on a fleet vehicle, utility truck, or emergency response vehicle, this antenna is engineered to deliver reliable performance year after year.

Ideal for Professional UHF Radio Systems

The CD61-3847-00 is suitable for a wide range of licensed UHF radio applications, including:

• Commercial fleet communications
• Utilities
• Emergency services
• Local government
• Public safety
• Transport and logistics
• Mining
• Construction
• Security
• Industrial operations

Its broadband design makes it particularly well suited to organisations operating across multiple UHF frequencies.

Replacement Whip for Existing Mopole™ Systems

The CD61-3847-00 is supplied as a replacement whip only and is designed to fit compatible RFI Ground Independent Mopole™ antenna bases.

Replacing only the whip allows damaged antennas to be restored without replacing the complete mounting assembly, reducing downtime and replacement costs.

Why Buy From Mobile Systems Limited?

Mobile Systems Limited supplies professional two-way radio and antenna solutions for businesses and organisations throughout New Zealand.

Our experienced team provides:

• Antenna selection and specification
• Fleet communication solutions
• Professional vehicle installations
• Antenna replacement and upgrades
• Radio programming
• System testing and optimisation
• Ongoing technical support

Whether you're maintaining an existing fleet or deploying a new radio network, we can recommend the right antenna solution for your application.

Frequently Asked Questions

What frequencies does the CD61-3847-00 cover?

The antenna whip is designed to operate across the 380–470MHz UHF frequency range, making it suitable for many licensed analogue and digital radio systems.

Is this a complete antenna?

No. The CD61-3847-00 is supplied as the replacement whip only and is intended for use with compatible RFI Ground Independent Mopole™ antenna bases.

Does the antenna require tuning?

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

What does Ground Independent Mopole™ mean?

Ground Independent Mopole™ technology allows the antenna to perform effectively without relying on the vehicle body as a ground plane, providing greater flexibility when selecting mounting locations.

Is this suitable for digital radio systems?

Yes. The antenna is suitable for both analogue and digital UHF two-way radio systems operating within its specified frequency range.

Can Mobile Systems Limited supply and install compatible antenna bases?

Yes. Mobile Systems Limited supplies complete RFI antenna systems, replacement whips, mounting hardware, coaxial cables, and professional installation services throughout New Zealand.