Retevis RM20 VHF Marine Radio vs Barlus Underwater Camera POE 5MP CMOS lens 100° Wide-angle with Fill Light IP68
Updated August 2026 — The Retevis RM20 excels in communication and safety, while the Barlus camera offers superior underwater exploration features. Choose based on your primary needs.
The Retevis RM20 excels in communication and safety, while the Barlus camera offers superior underwater exploration features. Choose based on your primary needs.
Why Retevis RM20 VHF Marine Radio is better
price
Retevis RM20 is more budget-friendly at £162.99.
GPS feature
Built-in GPS for navigation and distress signaling.
audio clarity
Loud volume ensures clear communication at sea.
Why Barlus Underwater Camera POE 5MP CMOS lens 100° Wide-angle with Fill Light IP68 is better
image quality
5MP resolution for high-quality underwater footage.
lighting options
Integrated lighting with adjustable brightness for better visibility.
live streaming
Allows live streaming of underwater footage to a mobile app.
Overall score
Specifications
| Spec | Retevis RM20 VHF Marine Radio | Barlus Underwater Camera POE 5MP CMOS lens 100° Wide-angle with Fill Light IP68 |
|---|---|---|
| Brand | Retevis | Barlus |
| Current Price | £162.99 | £287.00 |
| Waterproof Rating | IP67 | IP68 |
| Camera Resolution | N/A | 5MP |
| Live Streaming | No | Yes |
| Built-in GPS | Yes | No |
Dimension comparison
Overview
When it comes to marine electronics, the Retevis RM20 VHF Marine Radio and the Barlus Underwater Camera POE 5MP are two distinct products aimed at enhancing your experiences on the water. The Retevis RM20, priced at £162.99, is primarily focused on communication and safety, while the Barlus camera, costing £287.00, offers a unique perspective of the underwater world. Each product serves different needs, making it essential to evaluate their features carefully.
Design and Build Quality
The Retevis RM20 boasts an IP67 waterproof rating, allowing it to withstand submersion under 1 metre of water for up to 30 minutes. This makes it highly suitable for marine environments where water exposure is inevitable. On the other hand, the Barlus camera features an IP68 rating, indicating it is designed for deeper underwater use. This camera not only captures the underwater scenery but does so with a robust construction, ensuring it resists corrosion and other harsh conditions. Both products are engineered to endure the marine environment, but the Barlus camera offers superior waterproof capabilities.
Functionality
The Retevis RM20 is equipped with a built-in GPS, which allows it to send and receive location information, a critical feature for maritime navigation. It can also transmit distress signals, enhancing safety while on the water. In contrast, the Barlus camera is designed for capturing high-quality underwater footage with a 5MP resolution, providing a clear view of aquatic life. It includes integrated lighting options with 4 infrared and 3 white LEDs, allowing for adjustable brightness levels. While the Retevis focuses on communication and safety, the Barlus excels in underwater exploration and documentation.
Audio and Visual Experience
With a loud volume range of 90-110 dB, the Retevis RM20 ensures that calls can be heard clearly even amidst the noisy backdrop of the sea. This feature is crucial for effective communication in emergency situations. The Barlus camera, however, prioritises visual experience, leveraging its 100° wide-angle lens to offer expansive views of the underwater environment. The integration of lighting allows for enhanced visibility in darker waters, making it an excellent choice for night-time or deep-water fishing. Each device delivers on its promise, with the Retevis focusing on audio clarity and the Barlus on visual richness.
User Experience
The Retevis RM20 is straightforward to operate, making it accessible for users of all experience levels. Its functions are designed for efficiency, such as quick distress signal transmission. Conversely, the Barlus camera allows for live streaming of footage directly to a mobile app, creating an interactive user experience for those who wish to share their underwater adventures. The ease of capturing and broadcasting underwater footage can be particularly appealing to fishing enthusiasts and marine biologists alike. While both products are user-friendly, they cater to different aspects of marine activity, with the Retevis prioritising communication and the Barlus enhancing visual engagement.
Price Point
The Retevis RM20 is priced at £162.99, making it a more budget-friendly option for those primarily interested in marine communication. In contrast, the Barlus camera retails for £287.00, reflecting its advanced features, such as high-definition video capture and integrated lighting systems. The price difference of £124.01 is significant and may influence purchasing decisions depending on the buyer's specific needs—whether they seek safety and communication or underwater exploration.
Target Audience
The Retevis RM20 is best suited for boaters, fishermen, and maritime professionals who require reliable communication tools for safety and navigation on the water. Its robust features make it an essential tool for anyone who spends time at sea. The Barlus camera, however, targets a different audience—those interested in underwater photography, live-streaming aquatic experiences, or simply exploring marine life. Each product serves its respective market well, but buyers should consider their primary activities and interests when choosing between the two.
Which should you buy?
In summary, the decision between the Retevis RM20 VHF Marine Radio and the Barlus Underwater Camera POE 5MP hinges on individual needs. If communication and safety are your primary concerns, the Retevis RM20 offers essential features at a lower price point. However, if you are more interested in capturing and sharing underwater visuals, the Barlus camera provides advanced photographic capabilities and additional functionality, albeit at a higher cost. Ultimately, your choice should reflect your specific maritime activities and interests.
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