Motorola RDU4100

Motorola RDU4100 Radio

10-Channel UHF Business Radio

Motorola RDU4100 two-way radios operate on 10 channels with a choice of 89 business-exclusive UHF frequencies and is FCC narrowband ready. Your radio will ship directly to you with a battery, charger, antenna, and belt clip.

Custom-built for the needs of the security, maintenance, distribution, and construction industries, the 4-watt Motorola RDU4100 walkie talkie is set to operate in 12.5kHz mode and is designed to hear and be heard in noisy environments. With no display or keypad, you’ll be able to experience enhanced audio quality, rugged design and versatile customer programming software, ready to tackle all of your on-site business needs. Radio weight and dimensions are calculated with the standard battery.


Business-exclusive frequencies
89 UHF frequencies make signals extra-secure and exceptionally clear.  219 codes, including customized PL and DPL codes to help ensure a clear signal

Exceptional voice quality
Delivers increased clarity through wind-noise reduction.

Rugged and water-resistant
Meets military specifications for sealing against dust, wind, shock, vibration and other adverse conditions.

Customer programming software
Allows users to perform programming functions and access new features.

Bright sensors
Tricolor LED indicator shows feedback of calling or monitoring features.

Enhanced battery performance
Lithium-ion battery lasts longer, with no memory “over-charge” side effects.

Simplified cloning
Quickly copies settings from radio to radio when used with accessory.

Voice activation
Enables hands-free operation when used with accessory.

Disable Channel
Allows users to disable and skip undesirable channels via the customer programming software (CPS)

Channel Annunciation
Voice support for channel announcement

Repeater Capability
Compatible with duplex repeaters so you can significantly extend your radio coverage area

Dynamic Talkaround Scan
Allows the radio to automatically switch between repeater and talkaround modes in order to optimize communications.


Band Split: UHF
Display & Keypad Type: Non-Display,No Keypad
Enhanced Radio Features: N/A
Estimated Battery Life @ 5/5/90 w/Standard Battery: 15 Hours
IP Rating: IP55
FCC License Required: Yes
Number of Channels: 10
Power: 4W
Programmable: Optional
Standard Package Includes: Radio,Battery,Charger,Antenna,Belt Clip
Radio Protocol: Analog Conventional
Type: Portable
Primary Vertical Market: Security, Maintenance, Construction, Warehouse and Distribution

Physical Characteristics

Weight (LB-Pound): 8.5
Dimensions (-): 2.2 (W) 4.5 (H) 1.6 (L)

Radio Resource has been serving the Denver area since 1989.

Providing Business, Enterprise and Public Safety Communication Solutions in Colorado.