The modern architecture seems to be going towards minimalism with discretion being the buzzword. Companies want access control but they do not want anyone to know it is there or, at the very least, the readers must be as small as possible.
Impro has taken this to heart and released two antennas for their new ImproX TT that cater for this market. The first is the ImproX MMA (micro mullion antenna) which measures 58 X 42 X 17 mm, making it small enough to fit on any aluminium door frame and discreet enough not be intrusive. The second is the ImproX RA (rod antenna), which has been designed to fit inside the wall. The installer drills a hole in the wall and inserts the antenna, after which he plasters over it.
The antenna has a ferrite core allowing it to read tags through the plaster. The reader is hidden and the tag holders simply present their tags to the wall to gain access.
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