ROK-CSR35L Cypress ROK-Solid Security Retrofit Kit: Cypress OSDP-Wiegand Panel Interface and preconfigured Farpointe reconfigured CSR-35L+OSDP Mobile-Ready Contactless Smartcard Reader. Supports MIFARE® DESFire® EV1 and EV2. Mullion /Single-gang mount. Cypress ROK-solid security kits let you upgrade to high-security, encrypted OSDP while retaining a Wiegand panel. A ROK kit includes your choice of Farpointe OSDP Reader and the Cypress OSDP-Wiegand Panel Interface, to retrofit an existing Wiegand panel to communicate with an OSDP reader. Encryption is preconfigured, for high security all the way from the reader outside the door, to the interface at the panel. The interface also supports reader I/O signals from the panel, such as LED and buzzer