HWg-SH4 SOHO set


Small SOHO set of the ultimate RFID access control system. Connect 2 RFID readers and 2 electronic locks. Includes: RFID reader with keypad, electromagnetic lock, door contact, connections cables, RFID tags, HWg-DCD software, power adaptor.



The SH4 is an ultimate access system that works with any electromagnetic lock and any RFID reader. It will work in your datacenter as well as in your office or even your home. Whether you have one door or several hundred racks, the SH4 system provides a cost effective way to manage access to your technology.

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.

You can find more details about how the system works here: sh4.hw-group.us

  • Controls two electromagnetic locks
  • Can connect two independent RFID readers (with or without keypad)
  • The SH4 unit can connect additional HWg-SH4e and HWg-SH4s units (max.16 units)
  • Online / Offline mode
  • Online mode uses central management server application HWg-DCD
  • SNMP for remote supervising in monitoring centers
  • Supports SNMP traps
  • List of supported accessories (RFID + handles)
Applications and usage:

The small applications can be for example apartment houses, small companies, or systems using existing RFID tags.

Apartment building access system

HWg-SH4 can be used as an access system for apartment houses or offices. A typical application can be using RFID reader for access from the outside of the building, together with an exit button installed on the inner side of the door. To enter the house you can then simply use the RFID tag and to leave the building you can press an exit button. The door can be also opened remotely from individual apartments. The system can also be used to control the gate to a parking lot.

Using HWg-DCD is in such cases is optional, as it is not needed for direct administration. However it can notably simplify registering of access tags and deactivation of the lost ones.


User Manual for SH4

Flyer of SH4





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