PIN-DEV-1 | N4 Upgrade: 1 Device & 50 Expansion Points (LON Modbus BACnet) SKU: PIN-DEV-1 MANUFACTURER: Honeywell Parent Item Parent Item - Additional Cost Has Item Option Quantity -+ If you add this item, you're only $800 away from free shipping! Add to Cart Current Stock: 1 Details PIN-DEV-1 | N4 Upgrade: 1 Device & 50 Expansion Points (LON Modbus BACnet) DetailsBackDetailsPIN-DEV-1 | N4 Upgrade: 1 Device & 50 Expansion Points (LON Modbus BACnet)