![](/wp-content/uploads/2021/10/de51f516c0d03eda7f01dd160515f7fd3464b504_N501-600x424.jpg)
Standalone Door Module N501
Stand-alone Door module with 4G connection
Door module for one door. Door module enables to open electronic locks and doors with RFID reader or calendar controls. Door module includes pre-installed SIM-card with 4G connection which allows door module to communicate with server.