MOTOROLA DP4400E AND DP4401E UHF VHF RADIO
The Motorola DP4400E and DP4401E are strong and smart digital radios. They are built for tough marine environments. These radios offer clear sound, long-range communication, and strong protection against water and dust. At SEANAV, we repair, service, and supply these radios. We also offer reconditioned units that work like new.

Why Are These Radios Ideal for Marine Use?
The DP4400E and DP4401E are great for ships and offshore rigs. The DP4401E includes GPS and Bluetooth. Both models have emergency features like “man down” alerts. They also pick up signals clearly even in remote areas. Therefore, they are perfect for critical communication at sea.
SEANAV’s Services for Motorola Radios
- Full testing and repair
- Fixing circuit board issues
- Updating software and firmware
- Replacing batteries, antennas, and microphones
- Supplying tested refurbished units
Why Choose SEANAV?
We have many years of experience in fixing old and current marine radios. Our expert team uses trusted methods and tools. In addition, we offer fast service and ship parts worldwide. SEANAV is your reliable partner for communication support at sea.
Frequently Asked Questions
1. What is the main difference between DP4400E and DP4401E?
The DP4401E has GPS and Bluetooth. The DP4400E does not.
2. Are these radios waterproof?
Yes. They have an IP68 rating. This means they can handle dust and deep water.
3. Can SEANAV fix radios with water damage?
Yes. We repair radios with water or physical damage.
4. Do you update the software?
Yes. We install the latest software and firmware for better performance.
5. Do you sell accessories?
We offer batteries, chargers, antennas, and other parts.
6. Can I trade my old radio for a refurbished one?
Yes. Contact us to discuss your trade-in options.
7. How long does repair take?
Most repairs take between 5 to 10 business days.
8. Do you offer international shipping?
Yes. We serve clients worldwide with fast delivery options.
9. Will you calibrate the radio after repair?
Yes. We always test and calibrate radios after fixing them.
10. Can you add new frequencies?
Yes. We can program new channels or update existing ones.
11. Do you give a warranty?
Yes. All repairs and refurbished radios come with a warranty.
Get in Touch with SEANAV
If your DP4400E or DP4401E radio needs service, contact SEANAV. We are ready to help you keep your marine communication clear and reliable.