Deeper CHIRP+ 3 Castable GPS Sonar - Portable Fish and Depth Finder for Boat Fis vs Retevis RM01 VHF Marine Radio
Updated August 2026 — The Deeper CHIRP+ 3 offers advanced fish-finding technology, while the Retevis RM01 provides essential communication at a budget-friendly price. Choose based on your primary needs.
The Deeper CHIRP+ 3 offers advanced fish-finding technology, while the Retevis RM01 provides essential communication at a budget-friendly price. Choose based on your primary needs.
Why Deeper CHIRP+ 3 Castable GPS Sonar - Portable Fish and Depth Finder for Boat Fis is better
advanced technology
Deeper CHIRP+ 3 features CHIRP+ 3 sonar accuracy and 3D mapping
battery life
Deeper CHIRP+ 3 has a battery life of 15 hours
fishing versatility
Deeper CHIRP+ 3 is suitable for various fishing environments
Why Retevis RM01 VHF Marine Radio is better
price
Retevis RM01 is significantly cheaper at £79.99
waterproof rating
Retevis RM01 has an IP67 waterproof rating
channel options
Retevis RM01 offers 88 channels for communication
Overall score
Specifications
| Spec | Deeper CHIRP+ 3 Castable GPS Sonar - Portable Fish and Depth Finder for Boat Fis | Retevis RM01 VHF Marine Radio |
|---|---|---|
| Brand | deeper | Retevis |
| Waterproof | Not specified | IP67 |
| App Support | Yes | No |
| Communication | No | Yes |
| Portability | High | Medium |
Dimension comparison
Overview of the Products
The Deeper CHIRP+ 3 Castable GPS Sonar and the Retevis RM01 VHF Marine Radio serve different purposes but are both essential for marine activities. Priced at £289.99, the Deeper CHIRP+ 3 is a sophisticated fish finder designed for various fishing environments. In contrast, the Retevis RM01 is a budget-friendly marine radio available for £79.99, ideal for communication on the water. Understanding their features and capabilities can help you decide which is more suited to your needs.
Functionality and Features
The Deeper CHIRP+ 3 offers advanced fishing technology with its CHIRP+ 3 sonar accuracy, which allows for a scanning depth of 330ft (100 m) and a range of up to 394ft (120 m). This product also includes a custom 3D bathymetry mapping feature, enhancing your fishing experience by providing detailed underwater information. On the other hand, the Retevis RM01 boasts 88 channels, supporting all international maritime channels for communication. This ensures you can stay connected while navigating or fishing, although it lacks the advanced sonar features of the Deeper CHIRP+ 3.
Ease of Use
User-friendliness is a critical factor in both products, but they approach it differently. The Deeper CHIRP+ 3 pairs with the Fish Deeper app, allowing for easy access to fish locations, bottom depths, and contours, making it a comprehensive tool for anglers. In comparison, the Retevis RM01 is designed with simplicity in mind, enabling users to set functions through just a few buttons. This straightforward operation is particularly beneficial for those who may not be tech-savvy and need a reliable communication device without the complexity.
Durability and Environment Resistance
When it comes to durability, the Retevis RM01 excels with its IP67 waterproof rating. This means it can withstand being submerged in water and will float if accidentally dropped, making it suitable for harsh marine environments. The Deeper CHIRP+ 3, while portable and rugged, does not specify a similar waterproof rating, which may limit its usability in certain conditions, especially when compared to the robust build of the Retevis RM01.
Battery Life and Charging
The Deeper CHIRP+ 3 boasts an impressive battery life of up to 15 hours, allowing for extended fishing trips without the need for frequent recharging. This is particularly beneficial for those spending long hours on the water. Conversely, the Retevis RM01 operates on 5 AAA Ni-MH batteries (included) and comes with both AC and DC chargers, which enhances its convenience but may result in shorter usage times depending on the battery type used.
Portability and Design
In terms of portability, the Deeper CHIRP+ 3 is designed to be castable and easily transportable, making it perfect for boat, kayak, shore, or even ice fishing. Its compact design allows for easy storage and travel. The Retevis RM01, while also small and lightweight, focuses more on robust construction, prioritising durability over portability. This makes it suitable for marine use but may not be as convenient for outdoor adventures where space is a premium.
Price Comparison
The Deeper CHIRP+ 3 is significantly more expensive at £289.99 compared to the Retevis RM01, which is priced at £79.99. The higher price of the Deeper CHIRP+ 3 reflects its advanced technology and features tailored for serious anglers. In contrast, the Retevis RM01 provides essential communication capabilities at a fraction of the cost, making it an attractive option for those on a budget or those who require basic functionality without advanced features.
Which should you buy?
Choosing between the Deeper CHIRP+ 3 Castable GPS Sonar and the Retevis RM01 VHF Marine Radio ultimately depends on your specific needs. If you are a serious angler seeking advanced fish-finding technology and detailed underwater mapping, the Deeper CHIRP+ 3 is worth the investment. However, if your primary concern is reliable communication on the water at an economical price, the Retevis RM01 stands out as a practical choice. Each product excels in its respective domain, making them valuable for different marine activities.
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