A modular microwave oven and ventilation hood combination system, includes a core module, having a core module housing, and a microwave cooking chamber, fitted in the core module housing. Signal packets are transmitted from the digitizing and encoding means during an initial call optimization stage without taking account of whether or not any speech signals are present. A drive motor is operable to rotate the axle and crank to retract the filler compartment door into the housing and drive the axle in a linear direction to open a gas cap coupled to the axle. To consume the content, a host device using the storage device receives a stream of data from a network. There are also provided a filter and an antenna duplexer having the above-described resonant circuit. When the links are placed vertically, the back support supports a sitter’s back.