Product Name: 13.56 MHz PVC ISO Card Hf MIFARE Classic 4K RFID Smart Card Model NO.: Mifare classic 4k Data Transmission Mode: Serial Frequency: High Frequency Power Supply Mode: Passive Card Application Field: Market Structure: Read-Write Card Label Category: Passive Read-Write Method: Non-Contact Type Material: PVC Type: Smart Card Function: Identification, Payment, Encrypt/Decrypt, Information Product: 13.56MHz RFID Cards for Hotel Key Card Size: Cr80, 85.5*54mm Material_: PVC Tickness: 0.76mm Frequency_: 13.56MHz Chip: Mf S50, Mf S70, etc Type_: Rewritable Printing: Cmyk, Inkjet Additional Printing: Magnetic Stripe, Embossing Number.etc Housing: Lamination Trademark: ODM Transport Package: Standard Specification: CE, SGS Origin: Shenzhen, China HS Code: 852352 Product Description 13.56 MHz PVC ISO Card HF MIFARE Classic 4K RFID smart cardNowdays,more and more schools,hostipals,govement departments ,hotels or resorts,officebuilding,access control,employee ID, parking & e payment management system, and etc useRFID system,for RFID locking system, high frequency (13.56MHz) under protocol ISO 14443A is the popular choice for majority of suchfields Mifare classic 4k card description:Chip Part NO:MIFARE Classic® 4K Warranty 1 YearFunctionRead/write protect by key A or key BMemory4K-byte EEPROM(16 SECTORS)FrequencyHF:13.56MHZRF ProtocolISO 14443 TYPE AReading disdance5-10CMOther chip options for your referencechip modelMemoryprotoclFunctionAvailable 125KHz ChipHitag11024 Bits/128 ByteISO11784/785Read/WriteHitag22048 Bits/256 ByteISO11784/786Read/WriteT5577330 Bits/42 Byte18000-2Read/WriteEM410064 BitsISO11784/788Read/WriteEM4305512 Bits/64 ByteISO11784/789Read/WriteHitag-12048 ByteISO11784/790Read/WriteHitag-22056 ByteISO11784/791Read/WriteAvailable 13.56MHz ChipMemoryprotoclFunctionNTAG213912 Bits/144 ByteISO/ISE 14443A,NFC Forum 2Read/WriteNTAG2154032 Bits/504 ByteISO/ISE 14443A,NFC Forum 3Read/WriteNTAG2167104 bits/888 ByteISO/ISE 14443A,NFC Forum 4Read/WriteMF EV1/2 2K/4K/8K2K/4K/8K ByteISO 14443ARead/WriteUltralight C1536 Bits/192 ByteISO 14443ARead/WriteUltralight EV1512 Bits/64 ByteISO 14444ARead/WriteICODESLIX1024 Bits/128 ByteISO 15693/18000Read/WriteMF PLUS S4K/*4K32K Bits/4k ByteISO 14443ARead/WriteMF PLUS S2K/*2K16K Bits/2K ByteISO 14443ARead/WriteMF S508K Bits/1k byteISO 14444ARead/WriteAvailable860-960MHZChipUSER MemoryEPC memoryFunctionUCODE 7m32128Read/WriteUCODE DNA3072128Read/WriteH351296Read/WriteH4128128Read/WriteH5128128Read/WriteYour inquiry is welcome!