The i-Pass system comprises of the i-Pass controller built with state of the art technology to provide reader access for up to 16 doors and 32 elevator levels with pre-configured intercom override and built in support for most reader technologies such as Proximity, Magnetic Stripe, Keypad, Biometric Contactless Smartcard technology and Long Range i-Key RF. The i-Pass architecture allows the installer to easily expand the system by simply adding cost effective i-Pass Smart Modules for additional readers, inputs and outputs and lift modules.