Nuvo:

[Link: legrand.us]
+
[Link: legrand.us]
= 4 WIRED zones
Same combo in both locations. Higher wattage components are available if needed.

[Link: legrand.us]
or
[Link: legrand.us]
= WIRED keypad or touchpanel

Each zone allows for analog input which is available at all other zones - synced.
All zones are linked as long as they're on the same network. Your single cat5 will do it - nothing wireless.