Atlas-Sound's VPCS Series 3-gang intercom systems (Patent applied for) provide superior intelligibility for one or two-way communication in high-security applications. Units are designed for installation in detention, correctional, and institutional facilities. VPCS intercom stations are also ideal for use in high-risk public-access spaces such as hallways, lobbies, and parking garages. Units withstand abuse, moisture, corrosion, dust, vibration, and temperature extremes from -10° to 150° F.