Are there different types of wireless intercoms available?
Are there different types of wireless intercoms available? Multiple handsets can be added and there is intercommunication between handsets. There are 4 intercom types available. 1) Digital Wireless One-button and Four-button Gate System which has a range of 50-70m in built-up areas. Multiple handsets can be programmed on a channel for intercommunication. Are there wireless intercom systems for apartment complexes? Wireless Intercom Systems for Complexes and Apartments. GSM voice with open door or gate function. Connect up to 200 users on this system. Open the gate by missed call for authorized numbers. Each user gets an Admin password and ID...