1. 10,000 users,30,000 records. 2. RS232,RS485,USB drive 3. Real-time data transmission 4. Response distance >3cm Power ... ×45mmIdentification: Mifare card (IC card)Response Distance: > 3 cmCommunication Protocol: USB memory, RS232, RS485Capacity: 10,000 cards, 30,000 records Reader, time ...