ROV Locator Bundle Mark II

1.995,002.395,00 exc Tax

The ROV Locator Mk II brings the cost-effectiveness of underwater positioning solutions to a new level. With a 300-meter depth rating and no need to calibrate crystal oscillators or manually sync the distance between units (select auto sync) at mission start-up, you can get up and running in no time.

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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.

Maximum Depth Exposure (minimum crush depth)


Volume, Receiver Unit

283 ml

Mass, Receiver Unit

335 gm

Volume, Transmitter Unit

283 ml

Mass, Transmitter Unit

298 gm

Absolute Maximum Range

500 m

Typical Usable Range

300 m

Apparent Yaw/Azimuth resolution


Apparent Elevation angle resolution


Slant range measurement resolution

0.1 m

Slant range error accumulation, baseline (typical)

2 m/hr

Slant range error accumulation, baseline (autosync)

0.5 m/hr

IMU Euler angle accuracy, typical (magnetic errors not included)

Update rate (per channel)

1 Hz

Ping Frequency

25 kHz

Receiver V-in power (Note: The receiver is designed to allow operation from a laptop USB port using a serial-to-USB adapter)

4.5V to 16V DC       <1 Watt

Transmitter V-in power (Note: Power supplies must be able to supply burst currents to prevent drop-out and erratic operation. While the transmitter will work with a low impedance 5V supply we recommend using 9V or higher)

5V to 28V DC

1.4W @ 5V

1.6W @ 28V

Serial Comms Voltage Levels

3.3V TTL or 5V TTL, auto sense

  • One ROVL Receiver
  • One ROVL Transmitter (Beacon)
  • One Mounting Ring and Bracket

    Notes: The Cerulean “6.5-meter serial-to-USB conversion cable” must be preinstalled when purchasing the ROVL Mk II product. It is not upgradeable afterward.