The Motorola RDU4100 radio has been replaced with the Motorola CP100d-UA radio.

• CP100d radios are not programmed to work out of the box on default RDX frequencies.
• The CP100d can be programmed to match RDX frequencies, or any custom frequencies, by using CPS2.0 Lite, which is free Motorola programming software designed to work with all CP100d analog only radios.
• CPS2.0 Lite can be downloaded along with default RDX frequency programming templates.
• We can program CP100d radios to RDX default frequencies. A $10 tech fee will be charged for each programmed radio.
• CP100d analog only models can be upgraded to analog/digital operation for a fee.

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If you're looking for a tough two-way UHF radio at the lowest price, you need the Motorola RDU4100 from Tech Wholesale.

These RDX series 10-channel radios have everything you love about Motorola business radios inside a military-grade case. The metal die-cast chassis is covered in polycarbonate to meet MIL-STD 810 C-F standards. Drop it from construction site scaffolding, leave it in the mud or hit it with a blast from a fire hose, your RDU4100 will shake it off like it's nothing.

Of course, good communication is still the most important thing, and the RDU4100 business radio delivers crystal-clear real-time talk. It uses high-powered UHF radio frequencies that penetrate physical obstacles such as walls, vehicles and trees while also reducing interference from other radios.

With 10 channels to choose from, you'll have plenty of options so everyone can stay in touch. Motorola's noise-reduction technology reduces ambient sound for better clarity, and the radio itself is 30% louder than previous models.

Enjoy voice coverage for up to 350,000 square feet or 30 floors with this powerful UHF radio that's ideal for military, hospital, police and university first responder use. It covers 89 business radio frequencies and comes with privacy codes to eliminate eavesdropping.

Our Motorola RDU4100 accessories help you get even more out of each radio. Add a Ritron UHF Jobcom Base Station to increase the range even further, invest in an extra RLN6308 ultra-high capacity battery for extra job life or attach a Motorola RAN4033 Stubby Antenna for easier carrying.

Tech Wholesale has the lowest prices in the industry on Motorola radios and provides lifetime technical support from our experts. Learn about more of the advanced features below or use our live chat feature to ask any radio question on your mind.

The high-powered UHF waves make the Motorola RDU4100 two-way walkie-talkie an excellent choice for both indoor and outdoor communication.

You can increase its range with the Ritron Jobcom UHF Base station, and a high-capacity RLN6308 battery will also help you get hours more use out of your RDU4100 every time. Be prepared for every eventuality when you use a 6-radio multi-charger to power up all your radios for all your employees at the same time.

Power-level note: The RDU4100 radios are both a 2 and 4 watt radio. They are defaulted with both high power and low power frequencies. Channel 3-8 are default-set to 2 watts. If you are needing more power, try channels 9-16, as those are set to the 4-watt power level.

Other excellent accessories for this durable radio that is used in hospitals, construction, the military, and other demanding industries, include the 2-hour rapid charger kit that fully recharges your radio in two hours. For a radio that's easier to carry around, we recommend the "stubby antenna" that can easily be switched out with the standard-length antenna.

We are a Motorola Authorized Two-Way Radio Dealer with years of experience selling the RDU4100 radio and other quality Motorola radio products. Because of that, we have worked with a large number of clients in almost every industry imaginable. That means we know how to work with you specifically and provide you with more than just a walkie-talkie online shop. We want you to get only the product that is right for your needs, and we know that not all businesses have the same needs.

Key Features

• 3 call alert tones.
• Battery save conserves your battery's power for multi-shift coverage.
• 3 voice inversion scramble settings increase signal privacy.
• Removable antenna. A "stubby antenna" is available for all 4-Watt RDX series radios.
• Radio mic gain.
• Accessory mic gain.
• 2-pin captive cover accessory connector.
• Compatible with XTN accessories
• Requires an FCC Business License.
• Compatible with XTN two-way radio frequencies and privacy codes.

Who should use the RDU4100 2-way radio? Heavy hitter businesses who are serious about productivity, security and staying on schedule!

Multiple Buildings: Two-way radio range depends on signal strength, weather conditions and elements native to the terrain over which you're broadcasting. Packing a 4-Watt punch, the RDU4100 is able to penetrate through walls of multiple buildings in a 350,000 sq. ft radius and cut upwards to 30 floors*. Also a repeater capable radio, the RDU4100 lets you work around what you can't push through providing site-wide, two-way radio coverage.

Warehouses: Communication via walkie-talkie is essential in a workplace where goods flow in and out constantly. Coordinate loading, unloading and shipping, stocking and shelf space management in a jiff. Dispatch teams to take care of temperature controlled stock before things heat up.

Large Hospitals: Coordinating support teams for patient care and community safety is a huge responsibility. Doctors, nurses, supplies, administrative services, security all need to run like clockwork when lives are at stake. Housekeeping rises to a whole new level when you're looking at containing biohazards. A high-powered, multi-channel 2-way radio like the RDU4100 is an absolute must.

Military: Crucial to moving troops and supplies, the two-way radio has served honorably in military operations since the technology was first developed. The RDU4100 with its 4-Watt reach, extensive feature set, long battery life and repeater capability ranks high in any deployment situation, be it logistics or special forces.

University Campuses: Keeping college campuses secure is critical to student safety and a reputation that enjoys continuing increased enrollment. Two-way radios enable security to react to emergencies quickly. Walkie-talkies also offer the perfect solution for landscape and building maintenance crews to coordinate tasks and equipment. At 18.5 hours on a single charge, the RDU4100 covers multiple shifts.

Large Hotels: From parking to the penthouse, large hotel properties rely on two-way radio communications to coordinate the workings of what should feel like a home away from home. The RDU4100 lets you talk to housekeeping up to 30 floors up and dispatch maintenance to handle technical issues across 350,000 square feet*. Meet the needs of your guests and convention attendees in record time, so all your reviews on Trip Advisor shine with 4 stars. *Coverage will vary based on terrain, conditions and the radio model used. ** CPS is available as free download. Windows¨ XP, Windows 2000 compatible, separate USB cable required.