Retevis RM01 VHF Marine Radio vs Deeper CHIRP+ 4 AI-powered Castable Fish Finder with GPS
Updated August 2026 — The Retevis RM01 is ideal for reliable communication at sea, while the Deeper CHIRP+ 4 excels in advanced fish-finding technology.
The Retevis RM01 is ideal for reliable communication at sea, while the Deeper CHIRP+ 4 excels in advanced fish-finding technology.
Why Retevis RM01 VHF Marine Radio is better
affordability
Retevis RM01 is significantly cheaper at £79.99
portability
Compact design suitable for harsh environments
communication
Provides essential maritime communication functions
Why Deeper CHIRP+ 4 AI-powered Castable Fish Finder with GPS is better
technology
Features AI-powered fish detection
mapping
Allows creation of personal underwater maps
battery life
Offers 15 hours of battery life for extended use
Overall score
Specifications
| Spec | Retevis RM01 VHF Marine Radio | Deeper CHIRP+ 4 AI-powered Castable Fish Finder with GPS |
|---|---|---|
| Brand | Retevis | Deeper |
| Type | Marine Radio | Fish Finder |
| AI Detection | No | Yes |
| Mapping | No | Yes |
| Charging | AC/DC | USB |
Dimension comparison
Overview
The Retevis RM01 VHF Marine Radio and the Deeper CHIRP+ 4 AI-powered Castable Fish Finder with GPS stand out in the marine electronics category for different reasons. While the Retevis RM01 focuses on reliable communication at sea, the Deeper CHIRP+ 4 offers advanced fish-finding technology. Choosing between these two devices primarily depends on whether your priority is staying connected or enhancing your fishing experience.
Price Comparison
The Retevis RM01 has a current price of £79.99, making it an affordable choice for those seeking a dependable marine radio. In contrast, the Deeper CHIRP+ 4 is priced significantly higher at £378.99. This substantial difference reflects the advanced technology and features included in the fish finder. If budget is a primary consideration, the Retevis RM01 presents a much more economical option, while the Deeper CHIRP+ 4 justifies its price with its sophisticated AI capabilities.
Features and Functionality
In terms of features, the Retevis RM01 offers essential communication functions with 88 channels, ensuring users can access international maritime channels. It provides a safe and clear sound quality, which is crucial in emergencies at sea. On the other hand, the Deeper CHIRP+ 4 excels in fish detection with its AI technology, interpreting data in real time, which makes identifying fish easier. It also allows users to create personal maps with detailed underwater contours and structures, enhancing the fishing experience significantly. While both products serve unique purposes, the features offered by each cater to distinctly different needs.
Portability and Usability
The Retevis RM01 is designed with portability in mind, boasting a small size and a strong body shell that is highly resistant to salt spray and corrosion. This makes it particularly suitable for harsh marine environments. Its simple operation allows users to set functions with just a few button presses, without needing a computer. Conversely, the Deeper CHIRP+ 4, while also portable, focuses on ease of use through its Fish Deeper app. This app not only tracks live scans but also provides weather statistics and lake information, which can be a game changer for anglers. Both devices are user-friendly, but their ease of use is tailored to their specific functionalities.
Battery Life and Charging
Battery life is an important factor when considering marine electronics. The Retevis RM01 is compatible with five AAA Ni-MH batteries, which are included in the package, and comes with both AC and DC chargers, allowing for versatile charging options. In comparison, the Deeper CHIRP+ 4 offers an impressive 15 hours of battery life, crucial for extended fishing trips. While the Retevis RM01 requires regular battery replacements, the Deeper CHIRP+ 4’s longer battery life enhances its usability for longer excursions on the water.
Environmental Resilience
The Retevis RM01 is built to withstand harsh marine conditions with an IP67 waterproof rating, meaning it can handle being submerged in water and still function. This resilience is essential for those who may face unexpected weather changes or accidents at sea. On the other hand, while the Deeper CHIRP+ 4 is designed for various fishing environments—be it boat, kayak, shore, or ice fishing—it does not specify a waterproof rating. This may limit its usability in extreme weather conditions compared to the robust design of the Retevis RM01.
Technology and Innovation
When it comes to technology, the Deeper CHIRP+ 4 is a frontrunner with its AI-powered fish detection system. This innovative feature allows the device to distinguish between fish and noise, significantly improving the angling experience. The multi-layered personal maps and real-time interpretation of scan data make it a sophisticated tool for serious fishermen. In contrast, the Retevis RM01, while technologically sound, does not incorporate advanced features like AI. Instead, it focuses on providing reliable communication, which is crucial for safety on the water.
Which should you buy?
Ultimately, the choice between the Retevis RM01 VHF Marine Radio and the Deeper CHIRP+ 4 AI-powered Castable Fish Finder with GPS comes down to your specific needs. If you prioritise reliable communication and safety while at sea, the Retevis RM01 is the more suitable option, especially considering its affordability at £79.99. However, if your main goal is to enhance your fishing experience with cutting-edge technology and detailed underwater mapping, the Deeper CHIRP+ 4 is an investment worth making at £378.99. Each product excels in its domain, so your decision should reflect your primary focus on the water—communication or fishing efficiency.
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