Directed Electronics Inc RFLCH RF Transponder Loop for all Chrysler Gen 1 - Pre-2004 Compatible with DLPK RF Loop Preloaded RF Transponder Pre Wired RF loops from Xpresskit are an all new line of preloaded RF transponder rings that can be plugged into the DLPK module and allow it to operate as a combo door lock and transponder bypass solution Preloaded RF transponder ring compatible with: Optimax series DLPK modulePackage Contents:&nbsp; (1) Pre-wired 1st Gen Chrysler Sentry RFID Transponder and antenna ring