1.ATMEL T5577 Card 2.Warranty:1 year 3.125KHZ low frequency T5577 ic card 4.Size:85.5*54mm ... password- Memory: 330-bit EEPROM(10 blocks, 33bits each)- Frequency: 125KHz- RF protocol: N/A- Modulation: FSK, PSK, Manchester, Biphase, NRZFeatures ... ID and Waste Your inquiry is highly appreciated! Factory price 125KHz ISO T5557/T5567/T5577 RFID Smart Card