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HWg-SH4 - The Ultimate Access Control System

Each SH4 device can connect up to 2 electromagnetic locks and 2 RFID readers of your choice.There are many locks and RFID readers on the market.

The SH4 already supports the most common models and others can be added upon request.

The SH4 features a relay output that can be programmed to mark a door open in a rack row or to trigger an alarm in case of a breach.

Online or Offline mode

In offline mode the SH4 can work as a standalone device that holds an internal database of cards and users. You just need the Ethernet port to setup the unit and the device will follow the access rules without the need for LAN connection.

In online mode the device is connected with a server running the HWg-DCD software. This server manages all the access rules. The relevant part of the entire user database is loaded in each SH4 so that you can still access your technology even if your network connectivity fails.


Contact us

Vrážská 1418
153 00, Prague 5
Czech republic


Phone: (+420) 723 069 809
Fax: (+420) 773 553 054
E-mail: sales@st-hw.com 



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