An information processing apparatus having a non-contact IC portion which performs radio communication with a reader/writer is provided. The non-contact IC portion includes: capacitors connected so that capacitance can be changed between multiple stages; a coil connected to the capacitors; and a switching portion which turns on/off connection of the capacitors so that a resonance frequency expressed based on capacitance of the capacitors and inductance of the coil is set within a given effective resonance frequency range.