DEPLOYDatabase

Robot model

EXRAY

Hydromea is a Swiss EPFL spin-off making underwater inspection robotics and optical wireless communications; the EXRAY is described as the world's first…

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Manufacturer
Hydromea
Form factor
underwater_drone
Lifecycle
active
Website
hydromea.com ↗

Verified profile

  • 2

    Sources on record

  • 0

    Tracked changes

  • Updated recently

    Last verified change

How we verify →

Overview

Hydromea is a Swiss EPFL spin-off making underwater inspection robotics and optical wireless communications; the EXRAY is described as the world's first tetherless underwater inspection drone, replacing a physical tether with a 10 Mbps optical wireless link. Weighing 9 kg, the EXRAY is rated to 200 m depth, achieves up to 6 hours endurance, and carries a rotating full-HD/4K camera with optical zoom; it has six degrees of freedom via seven hubless thrusters.

Verified vs. claimed

Verified deployments
None on file
Sources on file
2 sources, view all

Safety record

No incidents on record for EXRAY.

Only active incidents are counted. Retracted incidents are excluded from this summary but remain reachable at their canonical URLs.

Sources (2)

  1. EXRAY - Hydromea · https://www.hydromea.com/exray-wireless-underwater-drone
  2. World's first wireless underwater drone uses light instead of tether - New Atlas · https://newatlas.com/good-thinking/hydromea-exray-wireless-rov/

Common questions

What is EXRAY?
Hydromea is a Swiss EPFL spin-off making underwater inspection robotics and optical wireless communications; the EXRAY is described as the world's first tetherless underwater inspection drone, replacing a physical tether with a 10 Mbps optical wireless link. Weighing 9 kg, the EXRAY is rated to 200 m depth, achieves up to 6 hours endurance, and carries a rotating full-HD/4K camera with optical zoom; it has six degrees of freedom via seven hubless thrusters.
Who makes EXRAY?
EXRAY is made by Hydromea, based in Lausanne, Switzerland, founded in 2014.
Where is EXRAY deployed?
No verified deployments of EXRAY are currently on the DEPLOY registry. DEPLOY records deployments only when verified at a named site with a primary source; absence may reflect pre-deployment, research, or manufacturer-internal use.
Is EXRAY safe?
EXRAY has no incidents on record in the DEPLOY registry. This does not constitute a safety guarantee; it reflects the incidents DEPLOY has tracked and verified to date.
Methodology: Verified · 2 sources (no primary) · last reviewed 2026-06-28

Verification posture

Verified

Low confidence

Review state

Stable

Last reviewed 2026-06-28

Maturity + lifecycle

Lifecycle: active

Architectural position

Cohort: underwater_drone

Sources by quality tier

2
unclassified
Unclassified source

The framework is documented at /methodology. Corrections at /corrections. Reviewer: DEPLOY editorial team.

Methodology surface for EXRAY.

Recent coverage

EXRAY in third-party press

Subsea inspection technology partnership targets offshore operators - Splash247

Jun 15, 2026

MFE Offshore Partners with Hydromea to Bring Advanced Underwater ROV Technology to Offshore Operators - Ocean News & Technology

Jun 12, 2026

Hydromea Unveils Innovative Underwater Inspection Robot EXRAY - Ocean News & Technology

Jul 11, 2024