Wireless intercom with backup battery upto two weeks stand by time and upto two days talk time and upto two weeks stand by time. Upto 1000 meters in open space and 80 meters wall to wall. Wireless technology no cables or central host. Each handset has a built-in receiver and transmitter.
1.one system supports 100 pcs : 00 ~ 99
2 floor transmission distance: 1 to 8 layers
3. Horizontal through the wall distance: 80 meters
4 open transmission distance: 1KM
Battery capacity: 1500mA
6. Charging current: 300mA, need to charge 5h
7. Standby current: 3mA, the longest standby time up to 500h
8. Maximum operating current: 400mA,