DigitalFence
Every d evice w ith a W i-Fi r adio p eriodically s ends m essages t o e xplore t he n earby s pace,
looking f or k nown n etworks. F ingbox h as a b uilt-in W i-Fi a ntenna t hat " senses" a ll t he W i-Fi
devices i n a r ange o f a bout 3 0 m eters ( 100 f eet). T his f eature a llows t o m ap t he s urroundings i n
terms o f o ther W i-Fi a ccess p oints ( or s tations) a s w ell a s c lient d evices t hat a re n ot c onnected
to t he l ocal n etwork ( such a s n eighbors o r p eople a nd v ehicles j ust p assing b y y our h ouse).
DigitalFence m aintains t hree l ists o f d etected d evices:
Nearby - d evices t hat a re a ctive b ut a re n ot c onnected t o t he l ocal n etwork
managed b y F ingbox.
In m y n etwork - d evices t hat a re a ctive a nd a re c onnected t o t he W i-Fi o f t he
local n etwork m anaged b y F ingbox.
Stations - W i-Fi a ccess p oints i n t he v icinity, s orted b y s ignal s trength.
Nearby d evices a re u sually d escribed w ith l ess a ccuracy t han d evices c onnected t o t he l ocal
network. T his i s b ecause t hey a re n ot a ccessible t o F ingbox d evice s canner a nd t here a re l ess
information t o r ecognize d evice t ype, b rand a nd m odel.
Device d ensity b y d istance
You c an h ave a r ough i dea o f w hether t he m ajority o f w ireless d evices i s n earby o r f ar a way
from t he F ingbox W i-Fi s ensor. T ap o n t he c hart i con i n t he t op-right c orner t o s ee a b ar c hart o f
the d evice n umber g rouped b y s ignal s trength. S ignal s trength ( strong, m edium, w eak) i s a
good i ndication o f h ow f ar t he d evice i s f rom t he F ingbox. T he c hart a dds a n ew b ar e very 5
seconds.
Fingbox
User's G uide - A pp v 6.2.1
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