DC02-485 Double Door Controller 1. 2 doors, 4 Card Readers 2. Wiegand 26 input 3. RS232/485 4. Anti-pass Back, Inter ... 26 (compatible with all readers under the agreement, such as Motorola, HID, EM, Mifare one, etc.). Means of communication: RS232 RS485 jumper-free ... protection measures: high-speed flash memory design, and never lose data Max distance between reader to the controller: 100 meters, ...