Distinguishable audiovisual indication of tri-color LED and multi-tone beeper

Potted (solid epoxy) electronics (tamper switch) protect against vandalis

Self-test on reader power-up to verify the setup configuration and initialize reader operation

ISO 14443 type a compatible, optional ISO14443-A/-B, 15693

Ability to read 32-bit MiFare serial number

Highly secure 64 bit diversified keys

Weather resistant?