-
GSM Video Multi-Household Intercom System News
•2017: 4G GSM video intercom system is released. 4G GSM intercom system is easy entering and exiting - simply dial a number and the gate opens. Locking the system, adding, deleting and suspending users is done easily using any phone. Mobile phone technology is much more secure and easy to manage and at the same time eliminates the need to use multiple, special-purposed remote controls and key cards. And since all the incoming calls are not answere...Read more