10 Pcs Smart Card RFID T5577 125Khz EM4100 T5577 Chip Rewritable Waterproof ID. T5577 card is a new one sensor cards, tuning frequency can be from 100kHz to 150 kHz, encryption, data for 330,64 ID, have aroused response function, and stable performance, the normal mode and E5550/E5551, and expand mode.As a typical low frequency, encryption, both cards, T5577 will has a great application prospect in the market.
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