Umthamo wesitoreji: 512 bit Operating frequency: 13.56MHz Protocol standard: ISO 14443A Communication speed: 106Kboud Work mode: R/W R/W distance: 2.5~10CM R/W time: 1-2MS Working temperature: -20 ℃~+85 ℃ Wipe times: > 100000 times Data retention: > 10 years Size: 85.5×54×0.87mm, or non-standard size card, key ring, wristband Material: I-PVC, I-PET, I-ABS, Iphepha, silicone, 0.13 copper wire Card weight: 6.8g Chip …