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Technical advantages of the wireless video doorbell
2012-08-29 09:01:00
1, using the 2.4G the public band transmission data with adaptive frequency modulation technology, call confidentiality, transmission distance up to 400 meters, can meet most of the user of the villa; Wireless visual doorbell with a duplex hands-free function, do not need to hold down the pronunciation key to send voice, simple call; 3,2.4 G transmission technology, low power, the transmission power of the commonly used 20db is completely harmless to the human body; 4 large screen video doorbell can be loaded the Android system daily entertainment.
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