Motorola RDU4103 UHF Business Two-Way Radio
4 Watt UHF • 89 Business Frequencies • 10 Channels • MIL-SPEC Rugged • RDX Series
The Motorola RDU4103 was a 4-watt UHF two-way radio from the RDX Series, built for serious on-site team communication across warehouses, manufacturing, schools, and hospitality. Operating on 89 business-exclusive frequencies with MIL-SPEC durability, the RDU4103 was a dependable business two-way radio. As a licensed UHF radio, a Canadian ISED radio licence may be required to operate it.
⚠ This Has Been Discontinued
The Motorola RDU4103 has been discontinued and replaced by the Motorola CP100d. The single best next step is to view the replacement — see the Motorola CP100d Non-Display, the modern, rugged successor for secure business communication. Questions? Call 1-800-984-1534 or request a quote.
What the RDU4103 Offered
4 Watt UHF Power
Delivered 4 watts of UHF power across 89 business-exclusive frequencies for secure, interference-free on-site communication.
Clear Audio
Speaker magnetic field reduction kept audio clean even in high-noise environments like warehouses and shop floors.
Hands-Free VOX
Voice-activated (VOX) operation enabled hands-free use with compatible accessories for busy, on-the-move teams.
MIL-SPEC Rugged
Met MIL-SPEC standards for shock, dust, wind, and vibration — built to endure tough job-site conditions.
10 Channels
Up to 10 channels with customizable names (8 characters max) and 2 programmable buttons for quick access to key functions.
Easy Programming
Customer Programming Software (CPS) and simplified cloning between radios via accessory cable sped up fleet setup.
Status at a Glance
A tri-color LED interface let users monitor radio status and key functions instantly during operation.
Motorola RDU4103 Specifications
| Feature | Specification |
|---|---|
| Manufacturer | Motorola Solutions |
| Model | RDU4103 |
| Series | RDX Series |
| Band | UHF |
| Power Output | 4 Watts |
| Frequencies | 89 business-exclusive frequencies |
| Channels | Up to 10 (8-character channel aliasing) |
| Programmable Buttons | 2 |
| VOX | Yes (hands-free with compatible accessories) |
| Audio | Speaker magnetic field reduction |
| Durability | MIL-SPEC (shock, dust, wind, vibration) |
| Interface | Tri-color LED |
| Programming | Customer Programming Software (CPS) & radio cloning |
| Licence Required | Yes — Canadian ISED radio licence may apply |
| Warranty | 2-Year Warranty |
Recommended Replacement
The Motorola RDU4103 has been discontinued. Its direct successor is the Motorola CP100d Non-Display — a current-generation business radio that carries forward the rugged, secure UHF communication the RDU4103 was known for, with modern durability and digital-ready performance. If you previously ran RDU4103 radios on your team, the CP100d is the recommended upgrade path. Browse more current options in our business two-way radios collection, or call 1-800-984-1534 for help matching a replacement to your fleet.
Who Was the Motorola RDU4103 For?
The RDU4103 was built for businesses that needed dependable, rugged UHF communication across a single site — warehouses, manufacturing floors, schools, and hospitality operations. Teams that relied on the RDU4103 will find the same role filled by the Motorola CP100d Non-Display, now the recommended choice for licensed UHF business use.
Shop the Motorola CP100d Replacement →
Frequently Asked Questions About the Motorola RDU4103
• Is the Motorola RDU4103 still available?
No. The Motorola RDU4103 has been discontinued and is no longer available to purchase. Its recommended replacement is the Motorola CP100d Non-Display, a current-generation business radio.
• What replaced the Motorola RDU4103?
The Motorola CP100d is the recommended replacement for the RDU4103. It delivers the same rugged, secure UHF communication with modern durability and digital-ready performance. View the Motorola CP100d Non-Display to compare.
• Did the Motorola RDU4103 require a licence?
Yes. The RDU4103 was a licensed UHF business radio operating on 89 business-exclusive frequencies, so a Canadian ISED radio licence may be required. Our team can help confirm your licensing needs — call 1-800-984-1534 or contact us.
• What were the key specs of the Motorola RDU4103?
The RDU4103 was a 4-watt UHF radio in the RDX Series with up to 10 channels (8-character aliasing), 2 programmable buttons, VOX hands-free operation, speaker magnetic field reduction, MIL-SPEC durability, a tri-color LED interface, and a 2-year warranty.
• What is a good current alternative to the RDU4103?
The Motorola CP100d Non-Display is the direct successor. You can also browse our full range of business two-way radios or call 1-800-984-1534 for a fleet recommendation.
