TECHGEAR Poseidon Waterproof Case for Samsung Galaxy Tab A11 Plus / A11+ 11" (SM-X230 / SM-X236) – IP68 Submersible Shockproof Case with Screen Protector, Stand & Shoulder Strap
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- Sku: P-CASE- X230 - BLK
- Compatible Device: Samsung Galaxy Tab A11 Plus / A11+ 11" (SM-X230 / SM-X236)
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The TECHGEAR Poseidon Case is a fully sealed, IP68-rated waterproof and shockproof protective case engineered for the Samsung Galaxy Tab A11 Plus / A11+ 11" (SM-X230 / SM-X236).
Designed for extreme environments, this case is trusted by aviation crews, logistics teams, construction sites, hospitality operators, marine use and outdoor professionals who require dependable protection against water, dust, drops and harsh conditions.Built for real-world deployment, the Poseidon combines full waterproof sealing with rugged impact resistance, an integrated screen protector, hands-free carry options and charging-trolley compatibility for professional and institutional use.
Full Compatibility
Custom-designed exclusively for:
- Samsung Galaxy Tab A11 Plus / A11+ 11" (2025)
- Models: SM-X230 / SM-X236
Not compatible with Tab A11 8.7", Tab A9, Tab A9+, or any other Samsung tablet.
IP68 Waterproof & Dustproof Protection
Fully sealed to IP68 standards, the Poseidon case is:
- Submersible up to 2 metres for 60 minutes
- Sealed against water, rain, snow, ice, sand, dirt and dust
- Suitable for outdoor, marine, industrial and travel environments
Supports underwater photo and video capture using the side volume buttons
(Camera mode must be set before submersion)Rugged Shockproof Armour Frame
A reinforced internal frame combined with impact-absorbing TPU cladding:
- Protects against drops, knocks and vibration
- Reduces impact damage in field and site work
- Provides a secure, non-slip grip even in wet conditions
Designed for demanding use where tablets are exposed to daily risk.
Built-In HD Screen Protector
Integrated premium screen protector:
- Shields the display from scratches, debris and dust
- Maintains clear visibility and responsive touch control
- Eliminates the need for separate screen protectors
Important:
Do NOT install additional glass or film protectors, as this will reduce touch sensitivity and compromise waterproof sealing.Sealed Ports & Full Functionality
Precision-engineered port covers and cut-outs allow:
- Secure sealed access to charging port
- Full use of buttons, speakers, microphones and cameras
- Reliable operation in wet or dusty environments
Stylus use is supported (not underwater).
Stand & Shoulder Strap Included
Supplied with:
- Detachable, adjustable shoulder/neck strap for hands-free carry
- Integrated fold-out stand for typing, video calls and media viewing
Ideal for:
- Vehicle mounting
- On-site inspections
- Hospitality check-in stations
- Field reporting and logistics workflows
Charging Trolley Compatible
Slim professional profile ensures compatibility with:
- School charging trolleys
- Business sync cabinets
- Enterprise tablet storage systems
Suitable for bulk rollouts across education, aviation, healthcare and commercial fleets.
Built for Professional & Outdoor Use
Widely used across:
- Aviation & airport operations
- Construction & engineering sites
- Warehousing & logistics
- Hospitality & outdoor venues
- Marine, travel & field service teams
Designed for professionals who require waterproof reliability without sacrificing usability.
Important Usage Notes
- Always perform the water test as described in the user guide before exposing the tablet to water
- Ensure all seals and port covers are fully closed
- Touch ID / biometric features cannot be used underwater
- Do not use additional screen protectors
Trusted UK Brand
Since 2012, TECHGEAR has supplied rugged and waterproof tablet protection to:
- UK schools & colleges
- NHS trusts
- Government departments
- Aviation, logistics and industrial sectors
We support bulk orders, trade supply and institutional deployment.

TECHGEAR Poseidon Waterproof Case for Samsung Galaxy Tab A11 Plus / A11+ 11" (SM-X230 / SM-X236) – IP68 Submersible Shockproof Case with Screen Protector, Stand & Shoulder Strap

