Over 25 YEARS in the Two-Way Radio Industry!

Motorola RDU4100

Contact Us For a Quote

1-800-984-1534



(1) RDU4100 UHF 4 Watt 10 Channel Radio

(1) RLN6308 2400 mAh Lithium Battery

(1) RLN6304 2 Hour Rapid Charger

(1) RLN6307 3 Inch Belt Clip

(1) Owner’s Manual

(1) 2 Year Warranty


Motorola RDU4100 Two-Way Radio

Note: The Motorola RDU4100 has been discontinued. For a modern upgrade, click here to view the Motorola CP100d replacement.

The Motorola RDU4100, part of the RDX Series, was engineered to provide reliable, high-performance communication on-site. This 4-watt UHF radio operates on 89 business-exclusive frequencies and is FCC Narrowband compliant. With rugged construction and advanced audio features, the RDU4100 was a trusted tool for teams in tough work environments.

To learn more about how this radio served businesses, view the Motorola RDX Series Case Study (PDF).

Key Features

  • UHF Business Frequencies: Operates on 89 exclusive channels for secure, clear communication
  • Advanced VOX Capability: Supports hands-free use with compatible accessories
  • Enhanced Audio: Magnetic speaker field reduction improves sound quality
  • Military-Grade Durability: Meets MIL-SPEC standards for dust, wind, shock, and vibration
  • LED Interface: Tricolor LED shows radio status at a glance
  • Custom Programming Software: Enables user-specific setup and function control
  • Cloning Support: Copy settings easily between radios using optional cable

Additional Specifications

  • Up to 10 channels with custom aliases (8 characters max)
  • 2 programmable buttons for fast access to favorite features

Motorola RDU4100

Motorola RDU4100
RDU4100 Front View
RDU4100 Top View
RDU4100 Front View With Charger
RDU4100 Side Angle View
RDU4100 Back View
Motorola RDU4100
RDU4100 Front View
RDU4100 Top View
RDU4100 Front View With Charger
RDU4100 Side Angle View
RDU4100 Back View

Motorola RDU4100 Two-Way Radio

Note: The Motorola RDU4100 has been discontinued. For a modern upgrade, click here to view the Motorola CP100d replacement.

The Motorola RDU4100, part of the RDX Series, was engineered to provide reliable, high-performance communication on-site. This 4-watt UHF radio operates on 89 business-exclusive frequencies and is FCC Narrowband compliant. With rugged construction and advanced audio features, the RDU4100 was a trusted tool for teams in tough work environments.

To learn more about how this radio served businesses, view the Motorola RDX Series Case Study (PDF).

Key Features

  • UHF Business Frequencies: Operates on 89 exclusive channels for secure, clear communication
  • Advanced VOX Capability: Supports hands-free use with compatible accessories
  • Enhanced Audio: Magnetic speaker field reduction improves sound quality
  • Military-Grade Durability: Meets MIL-SPEC standards for dust, wind, shock, and vibration
  • LED Interface: Tricolor LED shows radio status at a glance
  • Custom Programming Software: Enables user-specific setup and function control
  • Cloning Support: Copy settings easily between radios using optional cable

Additional Specifications

  • Up to 10 channels with custom aliases (8 characters max)
  • 2 programmable buttons for fast access to favorite features

Contact Us For a Quote
1-800-984-1534