Hi @Felix
About the “200”
- the total number of devices, the deconz solution can handle
- it has been lifted up to 500 recently
The stick/shield can handle much less direct connections (I don’t know it by heart). Installing devices to the network those can act as routers is strongly recommended in your (and in any) case
Routers are typically mains (ac) powered devices like lights and plugs, but AFAIK it depends on the manufacturer if their light/plug can act as a router.