Model RMSC-11 reads data from smart cards 1.5-2 in. away, then grants or denies door access accordingly. When deployed with Diamond or Sapphire systems, it uses 100% of card surface, retains data for 10 yr, and tolerates moisture, dust, and dirt. Companion smart card stores 8 or 64 kbits, supports max 16 applications, and minimizes transaction time.