A multi-junction stripline circulator, comprising a housing with a cavity structure and a plurality of stripline junction circuits stacked within the cavity structure and connected in a cascade arrangement. The food container comprises a lower receptacle having a chamber configured to store a quantity of food product, an upper receptacle having a chamber configured to receive and store the refuse, a dispensing mechanism at a dispensing opening in the lower receptacle for dispensing the food product therefrom and a lid at the upper receptacle for enclosing the refuse. The UE provides an indication of the particular carrier to the server device, initializes a connection with the particular carrier, and performs one or more communication operations via the connection with the particular carrier.