Profile: Proprietary Control Systems designs and manufactures access control and integrated products. The IQ series controllers are for access control, input and output control monitoring. System configuration begins with either a two door controller (IQ 200) or a four door controller (IQ 400). Each controller can be expanded in 4 reader increments, up to 10 or 12 readers. Modular upgrades with add-on readers, inputs and outputs are engineered into this series design enabling custom security system with standard off the shelf components. SP632 mini-mullion contactless readers are compatible with all applicable 13.56 MHz ISO standards. It features up to 5 inch read range and tri-state LED (red, green, amber) visual indicator & audio feedback representing status & activity information. It is used in interior, exterior, metal and non-metal installation environments.