Collection of RFI CD50-65-50 in a gallery layout

RFI 380-440MHz Ground Independent Mopole - MBC Base No Cable (Stainless Steel Whip)- CD50-65-50

$194.20

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Pickup available from the Mobile Systems Showroom: 1/14 Portside Drive, Mount Maunganui. We will notify you when your order is ready for collection.

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RFI CD50-65-50 380–440MHz Ground Independent Mopole Antenna – MBC Base (No Cable)

The RFI CD50-65-50 Ground Independent Mopole Antenna is a professional-grade UHF mobile antenna designed for reliable communications across the 380–440MHz frequency range. Built for demanding commercial, government, emergency services, and industrial applications, it delivers dependable RF performance while offering exceptional installation flexibility.

Featuring RFI's patented Ground Independent Mopole technology, a stainless steel whip radiator, and an MBC mounting base, the CD50-65-50 performs efficiently without relying on a vehicle's metal body as a ground plane. Supplied without coaxial cable, it allows installers to select the most suitable cable length and connector for each installation.

Ideal for fleet vehicles, utility trucks, emergency response units, mining equipment, and specialist service vehicles, the CD50-65-50 is built to provide years of reliable service in harsh environments.

Why Choose the RFI CD50-65-50?

Designed for professional mobile radio installations, the CD50-65-50 offers durability, flexibility, and dependable communications.

Key Features

  • Covers the full 380–440MHz UHF band means one antenna serves the whole range, for installers working across multiple licensed channels.
  • Patented Ground Independent Mopole technology means reliable performance from bull bars, mirror brackets, canopies, and other non-standard mounting positions.
  • Heavy-duty stainless steel whip radiator means excellent flexibility, vibration resistance, and corrosion resistance for demanding fleet use.
  • Supplied without coaxial cable means you choose the exact cable length and connector for your install, reducing losses and cost for unusual vehicle layouts.
  • Suitable for analogue and digital radio systems means one antenna works across mixed fleets running older and newer radios.
  • Corrosion-resistant construction means dependable performance in demanding outdoor conditions.

What's in the Box

  • 1 x RFI CD50-65-50 Mopole antenna (stainless steel whip)
  • MBC mounting base
  • Not included: coaxial cable and connector, sold separately

Complete Your Setup

This antenna needs a coaxial cable and connector to suit your specific cable run and radio. If you'd rather have a complete kit, see CD51-65-53 (MBC base with 5m cable, PVC whip). Otherwise, talk to us and we'll help you choose the right length and connector type.

Key Specifications

Brand RFI
Model CD50-65-50
Frequency range 380–440MHz
Gain 4dB over a 1/4 wave whip
Tuned bandwidth / VSWR 13MHz at <1.5:1, field-tuneable using supplied chart
Power handling 50W
Whip length 395mm
Whip material 17-7PH tapered stainless steel
Mounting MBC base, included
Cable and connector Not included, sold separately

Download the RFI CD50-51 (CD51-65-5x) installation sheet (PDF)

Other Options in This Series

Need a different mount, cable, or whip material? See CD50-65-70 (stainless whip, stud mount, no cable), CD51-65-53 (PVC whip, MBC base with 5m cable), or CD51-65-70 (PVC whip, stud mount, no cable). Different configurations, pick the one that suits your installation.

Video

No product video currently available for this model.

Ground Independent Technology

Unlike conventional mobile antennas, the CD50-65-50 does not require a conductive vehicle roof to achieve optimum performance. This allows installation on bull bars, mirror brackets, roof racks, canopies, toolboxes, service bodies, fibreglass vehicle panels, and other special-purpose vehicles.

Built for Commercial Fleets

Suitable for:

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

Why Buy From Mobile Systems Limited?

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

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

Whether you're installing a single radio or managing a nationwide fleet, we'll help you choose the right antenna solution for reliable long-term performance.

Frequently Asked Questions

What frequencies does the CD50-65-50 support?

The antenna operates across the 380–440MHz UHF frequency range, making it suitable for many licensed analogue and digital radio systems.

What is Ground Independent Mopole technology?

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

Why is the antenna supplied without cable?

Supplying the antenna without cable allows installers to select the appropriate cable length and connector to suit the specific vehicle and radio installation.

Is the stainless steel whip suitable for harsh environments?

Yes. The heavy-duty stainless steel whip is designed to withstand vibration, impacts, corrosion, and demanding commercial operating conditions.

Is this antenna suitable for digital radio systems?

Yes. The CD50-65-50 is compatible with both analogue and digital radio systems operating within the 380–440MHz frequency range.

Can Mobile Systems Limited install this antenna?

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

Specifications

Brand: RFI

Mounting: MBC Base (Included)

Frequency MHz: 380-440

Tuned Bandwidth: 13 MHz @ <1.5:1

VSWR: 13 MHz @ <1.5:1

Nominal Gain [dBi]: 4dB over a 1/4 wave

Power [W]: 50

Band: 380-440MHz

Tuning: Field tune to minimum VSWR using supplied tuning chart

Cable And Connector: Not included, order separately

Whip Length mm: 395

Whip Material: 17-7 PH Stainless steel

Antenna Type: Ground Independent, MBC Base Mount, Vehicle

Antenna Application: Vehicle Antenna

Antenna Configuration: SISO

Collection of RFI CD50-65-50 in a gallery layout

RFI 380-440MHz Ground Independent Mopole - MBC Base No Cable (Stainless Steel Whip)- CD50-65-50

$194.20