
Cerulean Sonar ROVL Mk11 Version
The ROV Locator Mk II brings the cost-effectiveness of underwater positioning solutions to a new level. With a 300m depth rating and no need to calibrate crystal oscillators or manually sync the distance between units at mission start-up, you can get up and running in no time.
More Information
The ROV Locator Mark II includes a transmitter mounted on the ROV and a receiver module located on the surface. The bundle also comes with a mounting ring and adapter. Simply power up, start the dive and track the ROV location in real-time on the QGroundControl map display. Serial communication and API are available.
Autosync works by exposing the Receiver and Transmitter to GPS or GNSS signals at the start of the mission and optionally at intervals during the mission. Satellite acquisition occurs typically within 30 seconds of power-up. In the canonical case of a ROVL receiver sited near the ROV operator and a ROVL transmitter on the ROV, the satellite acquisition will typically occur in the background, and at the time the ROV is being readied for launch and while the ROVL Receiver IMU calibration is being done.
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Delivery Details
Free UK Delivery is available on all orders over £100.
Orders under £100 have a fixed delivery price of £8.
Delivery takes around 4-5 weeks to most UK addresses, except for in stock items, as below.
In-Stock Items Only - Delivery will be made in 2-3 working days with Next Day Delivery available to UK Mainland Delivery for £30 per order, Order By 12pm, Mon to Fri.
Conditions - Some locations outside mainland UK may incur additional charges, which are representative of the extra cost that we get charged by the courier. Delivery is available to Europe and some Worldwide locations. Contact us directly on sales@alphageouk.com if you need any help or have questions, before you order.
If you have any questions, please ask them using our live chat for immediate answers or you are always welcome to use our Contact Us form. We'll get back to you as soon as possible.
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FAQs
Please read our FAQs page to find out more.
What does each product package include?
Each listing clearly states what’s included in the box (e.g. main unit, batteries, charger, cables, software license, spare parts, accessories). If you’re unsure, check the “Package Comparison” section of the product page or contact us for confirmation before purchase.
How long does delivery take, and when will my order ship?
- UK deliveries: 2–5 business days under normal stock conditions.
- Pre-order / backorder items: Typically around 4 weeks (or as otherwise specified).
- Orders placed before 2 pm (weekdays) are dispatched the same day when in stock.
- Free UK delivery is available for orders over £100.
What warranty and support do you offer?
- Every product comes with a 12-month warranty covering manufacturing defects under normal use.
- During the warranty, we provide repairs or replacement of faulty parts, as well as technical support.
- After the warranty period, we continue to offer repair, servicing, and parts support.
- Our UK repair centre handles original parts and full testing.
Can I get a demonstration, training or customized solution?
Yes - we offer product demonstrations (in person or virtually), webinars, and one-on-one training to help you get up to speed. We also custom-configure or adapt solutions (e.g. integrating sensors, payloads, alternate configurations) to suit your specific project needs.

