Abstract: A design apparatus for an electronic device is provided. The apparatus includes: a selection unit that selects a first component which meets a characteristic condition, from a component database which includes a characteristic and a recommended level of each of components, the recommended level being variable; a first determination unit that acquires a recommended level of the first component from the component database, and determines the acquired recommended level; a creation unit that creates design data of the electronic device including the first component; and a second determination unit that acquires, after the creation, a recommended level of the first component from the component database, and determines the acquired recommended level after the creation.

Abstract: A mobile terminal device having communicating functions includes a housing; an antenna housed in the housing to be freely pulled out; a pull-out mechanism that pulls out the antenna from within the housing in accordance with an instruction to pull out the antenna; and an instructing section that gives the instruction to pull-out the antenna to the pull-out mechanism in accordance with a predetermined event for any one of the communicating functions.