1.
Precautions before use (2p)
Regarding the Bluetooth communication distance
When using indoors by connecting APP ↔ PHEW®TRACKER
There is no problem with communication in one space. (Living room)
There is a ``wall'' between the space and the ``door''. (Communication disturbance)
Reference
-Substances with low probability of interference: wood, glass, and most plastics
-Substances with medium probability of interference: water, brick, marble
-Materials with high possibility of interference: gypsum, concrete, bullet-proof glass
(inner walls of buildings)-Substances that cannot be communicated: Metal
(apartment door, door material of general house)
It is recommended to use it in a specific space.In the case of Bluetooth
communication, it is a communication standard optimized for short distance.
4
Bluetooth
Do not pass through
doors or walls.
Radio
interference
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