Lock upgrades

Instead of ripping out perfectly working hardware, Hotel Door Lock Upgrades transform existing locks into intelligent, cloud connected devices. Make your hotel door lock smart by retrofitting them with 4SUITES.

Experience how intelligent access will streamline your hotel operation and enhance the guest experience.

DIY installation with easy manual

Installation in just a few minutes

Retrofit: no need to replace your locks

Compatible with most 'Classic' and 'Mini' hotel lock models.

Private and Secure

It's easier than ever to offer digital keys to your guests.

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Intelligent Access made simple

DIY Lock Upgrades

4SUITES allows you to transform your existing Magstripe or RFID locks into intelligent, connected, online devices.

Various Hotel Door Lock Upgrade models available.

Hotel Lock Upgrades are available for “Classic” hotel locks as well as so-called “Mini” or “Split” lock models. 4SUITES lock upgrades are compatible with most common hotel locks. Not sure if our Lock Upgrades can retrofit your current hotel locks? Get in touch.

New locks or replacement?
Then check out our new hotel locks or products to replace hotel locks.

Seeing is believing.

Product specifications


Available with firmware version 3.17 and above.

Credential Types

NFC card, cloud, Google Wallet*, Apple Wallet*

Offline capabilities

Unlock using local cache


Various third parties


App for configuration, cloud for general management


Wireless Standards


NFC Type

Mifare Desfire EV2

Supported Smartphones

All smartphones


Webapp, NFC

Inputs, Outputs and Power

Supply voltage

4x AA battery

Lock Driver

Motor driver

Inputs and Outputs

3 Sensor inputs (potential free)


Lock specific connection

Battery Life

2 Years (8 openings/day)
Measured at room temperature with OEM batteries. 


Operating Tempature

Operating: -30C to 70C

Operating Humidity

0-95%, relative humidity, non-condensing



2-Year limited warranty on mechanical components, 1-year on electronic components