Patent ID: 8401492

Claim:
A high frequency switch module comprising: a laminated circuit component including an antenna electrode connected to a single antenna, a plurality of communication electrodes connected to a plurality of high frequency communication circuits to transmit, receive, or transmit and receive a plurality of kinds of communication signals, and a land arranged to mount a switch IC thereon; and a switch IC mounted on the laminated circuit component and including a common terminal connected to the single antenna through the laminated circuit component and a plurality of communication circuit terminals connected to the plurality of high frequency communication circuits through the laminated circuit component; wherein the switch IC includes switch circuits arranged between the plurality of communication circuit terminals and the common terminal, and all of the switch circuits have the same or substantially the same resistance against transmission power that is applied at the time of transmission; and all of the switch circuits have the same structure so as to provide the same electrical characteristics when any of the plurality of communication circuit terminals is selected.