Motorola RDU4100 Two-Way Radio
Note: The Motorola RDU4100 has been discontinued. For a modern upgrade, .
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 .
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