eSSL KR503-M RFID Card Reader – 13.56MHz Mifare Access Control

Searching for a key wastes time at every entry point. The eSSL KR503-M RFID reader grants access in milliseconds — authorised staff tap and go, every event is logged automatically.

Why customers choose the KR503-M

• 13.56MHz Mifare frequency — compatible with the most widely used RFID card standards
• Read range up to 5-10cm — no need to remove the card from a wallet or pocket
• Wiegand 26/34 output — plugs directly into any standard access controller
• LED and buzzer feedback — instant confirmation of a successful card read
• Tamper detection — alarm triggers if the reader is removed from the wall
• Mifare reader with relay output drives EM or strike lock

Technical specifications