To provide a wireless bridge for interconnecting a plurality of terminals capable of simply assuring the security by easily setting permission/ inhibition of wireless communication between the bridges.

The wireless bridge is provided with: an address management means for acquiring a bridge address preset to a wireless bridge of a communication destination and managing it; a data transmission means for attaching a bridge address of its own station to a communication packet between terminals and wirelessly transmitting the resulting packet; an address detection means for detecting a bridge address included in data received via a wireless transmission channel; and a transfer control means for transferring the received data to a terminal when the bridge address detected by the address detection means is registered in the address management means.