South Korean start-up Zigbang and Samsung launched the world’s first smart door lock that supports ultra-wideband (UWB) technology. The biggest highlight of the door lock is that it does not need to touch the mobile phone to the door lock like the traditional NFC smart door lock, as long as the mobile phone is within the specified range of the door lock, the door can be automatically opened.
Naturally, Zigbang has also been properly designed in terms of security. First, only users who have been authenticated by the homeowner (such as family members or friends) can register. Second, whenever these registered users are unlocked in this way, the user will receive a notification from the Zigbang app letting them know of the entry and exit.
The new smart door lock is also compatible with Samsung’s Find My Device network, so when a smartphone is lost, users can simply log into the Find My Device website and delete the digital key to the Zigbang door lock. Samsung said it will work with more brands to bring UWB-based smart home devices.
Samsung devices that currently support UWB technology include Galaxy Note 20 Ultra, Galaxy S21 Ultra, Galaxy S22+, Galaxy S22 Ultra and Galaxy Z Fold 4.
The ultra-wideband (Ultra Wide Band, UWB) technology is a wireless carrier communication technology. It does not use sinusoidal carrier waves but uses nanosecond-level non-sinusoidal narrow pulses to transmit data, so its share of the frequency spectrum is wide.
UWB technology has the advantages of low system complexity, low power spectral density of transmitted signals, insensitivity to channel fading, low interception capability, and high positioning accuracy. It is especially suitable for high-speed wireless access in dense multi-path places such as indoors.
