Patent ID: 8253486

Claim:
A wireless apparatus having a shielding function, the wireless apparatus comprising: an amplifying unit configured to receive driving power and amplify a radio frequency (RF) input signal according to a preset gain; an impedance matching unit including at least one coil and configured to receive the driving power from the amplifying unit and to match an impedance of a path of a signal, amplified from the amplifying unit, through the coil; and a shielding unit configured to eliminate signal interference between the coil and a transmission path of the driving power from the amplifying unit, wherein the amplifying unit, the impedance matching unit and the shielding unit are integrated onto a single circuit board, and the impedance matching unit comprises: a first band transformer configured to match the impedance of a path of a signal within a first band among amplified signals from the amplifying unit; and a second band transformer configured to match the impedance of a path of a signal within a second band, being different from the first band, among the amplified signals from the amplifying unit.