A slim profile electronic lock for modern hospitality

The OS SLIM electronic hotel lock combines a slim-profile escutcheon and minimalist straight-line aesthetic with a comprehensive technology stack — Bluetooth opening, MiFare proximity, and optional online management via Gateway. It’s one of the most specified electronic locks in the hospitality sector, suited to new builds and retrofits alike, including narrow-profile aluminium doors.

Engineered for hospitality

BLE

Bluetooth Low Energy opening

MiFare

Proximity card compatible

Online

Optional Gateway connectivity

AISI 304

Stainless steel construction

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Remote control via Gateway

By installing Gateways alongside OS SLIM locks, operators gain remote opening and management capability across the entire property. Front desk staff can issue keys, audit access and respond to lockouts without leaving reception — and the same network can manage EXO safes in each room.

Full technical features

  • Electronic lock opening via Bluetooth and MiFare proximity
  • Optional online opening and management via Gateway installation
  • Adaptable handle escutcheon — left or right opening doors
  • PVD (Phase Vapour Deposition) lacquered finishes with high resistance to abrasion and corrosion
  • Stainless steel AISI 304 or AISI 316 — guaranteed operation in adverse climatic environments
  • Electromechanical privacy function with exterior visual indicator
  • Hidden mechanical cylinder for auditable emergency openings, with concealed micro USB-C connector for emergency power
  • Visual and acoustic indicators — accessibility and operational status (low battery, privacy, etc.)
  • Single UpKey app for administrator, hotel staff and guests, with role-based functionality
  • Automatic guest enrolment via emailed link from the hotel
  • Customised app option and third-party integration available
  • Powered by 4 standard AA batteries
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The Brehon Hotel & Spa, Killarney

The Brehon, a luxury four-star hotel overlooking Killarney National Park, asked us to replace their bedroom door locks with a modern smart locking solution — one that would simplify access management for guests and staff, integrate with mobile devices, and match the hotel’s contemporary interior.

MF Services supplied and installed the Omnitec OS SLIM alongside OS Access cloud-based management software, delivering Bluetooth and MIFARE card access for guests, and real-time remote access control for hotel staff.

The installation ran from March to May 2025 — 15 working days on-site, coordinated around peak-season occupancy. The team worked in narrow windows between check-out and check-in to keep the hotel fully operational throughout.

Read full case study → /case-study/brehon-hotel-killarney/

Specifying OS SLIM for your property?

Whether you’re refurbishing an existing hotel or specifying for a new build, our team can help you evaluate OS SLIM against your access control requirements. We supply, install and support electronic hotel lock systems across Ireland.

Get in touch for product datasheets, indicative pricing or to arrange a site visit.

Speak to an expert today

MF Services
Unit 26 Doughcloyne Court Industrial Estate,
Sarsfield Road,
Wilton, Cork, Ireland.

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Sat Nav: Cork N 51° 52.433’ W 8° 30.761’

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