Fung Kai Schools · Hong Kong
Rapid safe campus surveillance without cabling between sites
A multi-hop wireless backbone across five school campuses, deployed with no interruption to classes.

The challenge
The school group covers 100,000 square metres and five campuses with no cabling between them, and the setup had to be short and avoid interrupting classes.
The solution
A 5-hop mesh ring on the rooftops of four campuses forms the backbone, with a daisy-chain branch to the fifth.
Six surveillance cameras were connected initially, with room to expand to twenty. A relay site overcame non-line-of-sight blockage by buildings.
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