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rfid uid changeable 4 bytes 7 bytes 13 56mhz iso14443a pvc tag

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  • Customize UID Changeable Card, China Factory Supplier ...

    UID Changeable Card. $20 Unit Price 13.56mhz 4 Byte UID Mifare 4k S70 UID Changeable (Pack of 5 pcs) $ 135.00 $ 100.00. Tips:Welcome to pay order online, but please note that flat freight is for 1-20 piece White Card only. More quantity discount and details kindly contact us online or email. Add to cart.

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  • 50pcs UID Changeable Card for 1K RFID 13.56MHz

    UID Changeable 13.56mhz MF1 1K RFID Key Tag Rewritable Zero 0 Sector 0 block Copier MF1 S50 1k rfid IC Card 10pcs/lot 4 $7.99 $ 7 . 99 13.56mhz MF1k S50 MF4K S70 0 Block Writable 7 Byte UID Changeable Rewritable RFID Card Chinese Magic Card by XCRFID (MF1K 7byte 5pcs) 3

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  • 13.56MHZ RFID Blank PVC Card UID Changeable Block 0 ...

    13.56MHZ F08 1K Blank RFID Card UID writable (block 0) you can clone MF 1K S50 card. Barcode, Scratch off panel, Signature panel, Spray number, Laser number, Embossing, etc. Generally, 3 days for DHL/FedEx/UPS, 10 days for air shipping,18 days for sea shipping. Other chips are also available.

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  • 7 Uid Changeable Writable Ntag213 Ntag215 Ntag216

    7 Bytes UID Changeable Writable Ntag213 Ntag215 Ntag216 13.56MHz RFID Rewritable Proximity Card Copy Clone. Note: Don't use Acr122U and Proxmark3 write the cards,easy write dead!! This cards cannot write random,it should write according to rule of CRC.

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  • UID CHANGEABLE MF 1K S50 4K S70 4 OR 7 BYTE

    Details about UID CHANGEABLE MF 1K S50 4K S70 4 OR 7 BYTE ISO14443A CHINESE MAGIC ... MIFARE CLASSIC 1K S50 13.56MHz KEY TAG FOB ISO14443A CHIP CARD FOBS RFID NXP NFC. AU $4.50 + AU $49.00 shipping + AU $49.00 shipping + AU $49.00 shipping. 107 sold 107 sold 107 sold. MIFARE CLASSIC 1K S50 13.56MHz PVC WHITE IC MF1S50 CHIP HF NFC RFID NXP ISO ...

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  • UID Tag Keyfob 13.56mhz MF1 S50 Block 0 Changeable ...

    UID Changeable MF 1k S50 Smart IC Card; RFID 13.56MHz ISO14443A Induction; This card works the same as normal MF cards. Works exactly like the MF S50, with 16 Sectors and 4 Blocks each Sector, but the Sector 0 Block 0 known as Manufacturers Block where the Chip UID is stored, can be re programmed to any UID you wish.

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  • Amazon.com: 5X UID Card 13.56Mhz RFID Block 0 Writable ...

    Features: Could be modified many times Organized in 16 sector with 4 blocks of 16 bytes each(one block include 16 bytes) Specification: Frequency:13.56MHz Protocal:ISO14443A Capacity:1K byte EEPROM memory Rewrite times:100,000 times Read distance:0-10Cm(depend on the R/W device) Material:PVC Dia Size:25mm Initial key:FFFFFFFFFFFF(12F) Application: Access control, hotel locks, staff …

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  • UID CHANGEABLE MF 1K S50 4K S70 4 OR 7 BYTE

    VERY IMPORTANT: UID Block 0 can only be re-written using the ACR122U with the provided software. Software download link is provided with the cards. You can choose to lock Block 0 with the ACR122U software which will permantly lock Block 0.

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  • About 4 byte UID and 7 byte UID for MIFARE 1K - FAQ ...

    2018-2-5u2002·u2002There are 3 solutions presently, 1), 88h and the first 3 bytes of the UID, 2), the first 4 bytes of the UID, 3, the last 4 bytes of the UID, to participate in the authentication stage. So, if your reader can not read card with 7 byte UID, you can consider from the above two aspects: whether it needs the second cascade of anti-collision in card ...

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  • 13.56MHz 3M Adhesive Ntag216 Anti-metal NFC Tags

    2021-3-13u2002·u2002(PVC、PET) Feature Operating frequency of 13.56MHz Can be erased and reprogrammed repeatedly 504 bytes of user memory, 540 bytes of total memory Waterproof, acid-proof, alkali-proof, and collision-resistant 100% compatible with NFC-enabled devices 32-bit password authentication to protect the data stored in the tag

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  • 50pcs UID Changeable Card for 1K RFID 13.56MHz

    UID Changeable 13.56mhz MF1 1K RFID Key Tag Rewritable Zero 0 Sector 0 block Copier MF1 S50 1k rfid IC Card 10pcs/lot 4 $7.99 $ 7 . 99 13.56mhz MF1k S50 MF4K S70 0 Block Writable 7 Byte UID Changeable Rewritable RFID Card Chinese Magic Card by XCRFID (MF1K 7byte 5pcs) 3

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  • 7 Uid Changeable Writable Ntag213 Ntag215 Ntag216

    7 Bytes UID Changeable Writable Ntag213 Ntag215 Ntag216 13.56MHz RFID Rewritable Proximity Card Copy Clone. Note: Don't use Acr122U and Proxmark3 write the cards,easy write dead!! This cards cannot write random,it should write according to rule of CRC.

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  • 4 tags, 4 tags Suppliers and Manufacturers at Alibaba.com

    RFID UID Changeable 4 bytes 7 bytes 13.56MHZ ... Tag Type 4 Smart NFC Label/Sticker RFID Tag M-ifare Desfire2k/4k/8k HF 13.56MHz ... custom sport tags rfid monza 5 tag cpc rfid monza 5 programmable tag monza r6 laundry tag clothing tag uhf monza 5 monza 5 pvc logistics tag uhf monza 5 stock control clothing tag monza rfid tag ...

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  • Secure Entrances with Reliable mifare iso14443a card ...

    Iso14443a Card Rfid Card Reader Identifies UID 7/4 Bytes Wiegand Active Reader Apply To RFID ISO14443A 13.56 Mhz MF Card. US $11.90-$14.00 Set. 1 Set (Min. Order) 6 YRS Secukey Technology Co., Limited. 73.5%. 4.9 ( 12) 'Quick delivery' 'Good service'. Contact Supplier.

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  • Customize UID Changeable Card, China Factory Supplier ...

    UID Changeable Card. $20 Unit Price 13.56mhz 4 Byte UID Mifare 4k S70 UID Changeable (Pack of 5 pcs) $ 135.00 $ 100.00. Tips:Welcome to pay order online, but please note that flat freight is for 1-20 piece White Card only. More quantity discount and details kindly contact us online or email. Add to cart.

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  • 13.56MHZ RFID Blank PVC Card UID Changeable Block 0 ...

    13.56MHZ F08 1K Blank RFID Card UID writable (block 0) you can clone MF 1K S50 card. Barcode, Scratch off panel, Signature panel, Spray number, Laser number, Embossing, etc. Generally, 3 days for DHL/FedEx/UPS, 10 days for air shipping,18 days for sea shipping. Other chips are also available.

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  • Buy NFC 13.56Mhz MF S70 4K UID 0 Block 7 Bytes Rewrite ...

    (SUPER PROMO) US $3.41 5% OFF Buy NFC 13.56Mhz MF S70 4K UID 0 Block 7 Bytes Rewrite Changeable Rfid Keyfobs Mutable Writeable Chinese Magic Key Tag Copy Clone From Seller XCRFID Store. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Shop Quality & Best Wholesale Directly From China Wholesale Suppliers.

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  • Buy NFC 13.56Mhz MF S70 4K UID 0 Block 7 Bytes Rewrite ...

    (BEST DISCOUNT) US $5.99 Buy NFC 13.56Mhz MF S70 4K UID 0 Block 7 Bytes Rewrite Changeable Rfid Card Mutable Writeable Chinese Magic Card Copy Clone From Vendor XCRFID Store. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Shop Quality & Best RFID Tags & Cards Directly From China RFID Tags & Cards Suppliers.

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  • Buy NFC 13.56Mhz MF S70 4K UID 0 Block 7 Bytes Rewrite ...

    Cheap RFID Tags & Cards, Buy Quality Security & Protection Directly from China Suppliers:NFC 13.56Mhz MF S70 4K UID 0 block 7 bytes Rewrite Changeable rfid card mutable writeable Chinese magic card copy clone Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return.

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  • Types of UID in contactless RFID card systems - RFID Card

    The standard defines single, double and triple size UIDs which consist of 4, 7 and 10 Bytes respectively. Single Size UID (4 byte) The Single Size UIDs (unique ones) ended since the number of usable IDs is limited to approximately 3.7 billion pieces only. Therefore the UID at this range is not unique in some cases, like NUID (FNUID and ONUID), RID.

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  • Amazon.com: HFeng 13.56MHz UID Changeable Keyfobs

    Buy HFeng 13.56MHz UID Changeable Keyfobs Token MF 1k NFC Tag Rewritable RFID Writable Access Control Key Card Used to Copy/Clone Card (100): Home Security Systems - Amazon.com FREE DELIVERY possible on eligible purchases

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  • Amazon.com: Original 13.56mhz MF1 1K S50 Chip With 7

    LEXI 20pcs Changeable UID Smart Card Rewritable 13.56MHz RFID PVC Blank Card for 1K S50 MF1 Mi-fare Door Access Control Block 0 Sector 4.1 out of 5 stars 11 $12.97 $ 12 . 97

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  • Buy NFC 13.56Mhz MF S70 4K UID 0 Block 7 Bytes Rewrite ...

    Cheap RFID Tags & Cards, Buy Quality Security & Protection Directly from China Suppliers:NFC 13.56Mhz MF S70 4K UID 0 block 7 bytes Rewrite Changeable rfid card mutable writeable Chinese magic card copy clone Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return.

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  • 13.56mhz FUID Keyfobs Token Keyfobs Copy Clone Rfid

    (SUPER PROMO) US $5.46 20% OFF Buy 13.56mhz FUID Keyfobs Token Keyfobs Copy Clone Rfid Tag One-time Uid Changeable Block 0 Writable Keyfobs 5/10/20pcs From Vendor Shop911117093 Store. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Shop Quality & Best Access Control Cards Directly From China Access Control Cards Suppliers.

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  • Buy NFC 13.56Mhz MF S70 4K UID 0 Block 7 Bytes Rewrite ...

    (BEST DISCOUNT) US $5.99 Buy NFC 13.56Mhz MF S70 4K UID 0 Block 7 Bytes Rewrite Changeable Rfid Card Mutable Writeable Chinese Magic Card Copy Clone From Vendor XCRFID Store. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Shop Quality & Best RFID Tags & Cards Directly From China RFID Tags & Cards Suppliers.

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  • Buy 10PCS 13.56MHz 1K GEN2 UID Keyfob Changeable

    (BEST OFFER) US $6.12 15% OFF Buy 10PCS 13.56MHz 1K GEN2 UID Keyfob Changeable Token Writable R/W Key RFIC IC Tag From Vendor Allinbest Store. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Shop Quality & Best IC/ID Card Directly From China IC/ID Card Suppliers.

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  • RFID Access Cards

    UID Block 0 can be re-written multiple times only by using the ACR122U. Software download link is provided with the cards. Choose from the Classic 1K S50, 4K S70 or Ultralight EV1 card. Also choose from the common 4 byte UID card or the newer 7 byte UID card. You can choose to lock Block 0 with the ACR122U software which will permantly lock ...

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  • Top 7 13 56 MHz RFID – Überwachungstechnik – Xaffe

    RFID Schlüsselanhänger, YARONGTECH 10PCS Wasserdicht ABS 13.56MHz ISO14443A MIFARE Classic® 1K NFC RFID Token, RFID-Tag YARONGTECH - All the chip has unique id pre-programed, 4 byte UID, And UID Can't change.

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  • 10pcs/lot UID Tags Stickers Changeable Block 0 Writable

    UID IC Card Changeable Smart Keyfobs Clone Card for 1K S50 RFID 13.56MHz Access Control Block 0 Sector Writable This card works the same as the normal IC cards, for 1K S50 standard. Only the Sector 0 Block Zero which is known as the Serial Number/Manufacturers Block(Chip UID) could be programmed to any UID you want.

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  • 100pcs/lot Ntag213 NFC TAG Sticker 13.56MHz

    Product Details. 100pcs Ntag213 NFC Tags 13.56MHz ISO14443A NFC Sticker Ntag 213 All NFC Phone Available RFID NFC tag Stickers Adhesive Labels Specification: Chip: Ntag213 Physical capacity: 180 bytes Usable capacity: 144 bytes Protocol: ISO14443A Working frequency: 13.56 MHZ Reading and writing distance: 1 to 5 cm Reading and writing time: 1 to 2 ms Working …

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  • 13.56MHz RFID I CODE SLI Chip Card For Hotel Management

    Direct Factory 13.56MHz ISO14443A MIFARE(R) Classic 1K 7 Byte UID code Card Sticker. Model NO.: 13.56mhz Fudan f08 pvc fingerprint chip card for access control. Model NO.: ... Classic 1k blank card with good quality. Model NO.: 13.56MHz RFID topaz 512 uid changeable. Model NO.: ...

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  • UID Changeable RFID Card 1K 13.56mhz Changeable

    UID Changeable MF 1K S50 Smart IC Card; RFID 13.56MHz ISO14443A Induction; This card works the same as normal MF cards. Works exactly like the MF S50, with 16 Sectors and 4 Blocks each Sector, but the Sector 0 Block 0 known as Manufacturers Block where the Chip UID is stored, can be re programmed to any UID you wish.

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  • OBO HANDS UID IC Card Changeable Smart Card Clone

    13.56mhz MF1k S50 MF4K S70 0 Block Writable 7 Byte UID Changeable Rewritable RFID Card Chinese Magic Card by XCRFID (MF1K 7byte 5pcs) 1 offer from $75.29 YARONGTECH 13.56MHz MIFARE Classic 1K RFID Smart Cards ISO14443A Blank RFID Hotel …

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  • MIFARE Classic 1K RFID Smart Cards (500 Pack) 13.56MHz ...

    MIFARE Classic 1K RFID Smart Cards (500 Pack) 13.56MHz ISO14443A Blank RFID Hotel Key Cards Printable (no mag Stripe) (500) : Amazon.ae: Office Products

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  • 13.56mhz FUID Keyfobs Token Keyfobs Copy Clone Rfid

    (SUPER PROMO) US $5.46 20% OFF Buy 13.56mhz FUID Keyfobs Token Keyfobs Copy Clone Rfid Tag One-time Uid Changeable Block 0 Writable Keyfobs 5/10/20pcs From Vendor Shop911117093 Store. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Shop Quality & Best Access Control Cards Directly From China Access Control Cards Suppliers.

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  • Buy 10PCS 13.56MHz 1K GEN2 UID Keyfob Changeable

    (BEST OFFER) US $6.12 15% OFF Buy 10PCS 13.56MHz 1K GEN2 UID Keyfob Changeable Token Writable R/W Key RFIC IC Tag From Vendor Allinbest Store. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Shop Quality & Best IC/ID Card Directly From China IC/ID Card Suppliers.

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  • Buy Real 13.56MHz UID Changeable Keyfobs Token MF

    (SPECIAL PRICE) US $5.98 15% OFF Buy Real 13.56MHz UID Changeable Keyfobs Token MF NFC Tag Rewritable RFID Writable Access Control Key Card Used To Copy /Clone Card From Vendor OBO HANDS Official Store. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Shop Quality & Best Access Control Cards Directly From China Access Control Cards Suppliers.

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  • 7 BYTE UID CHANGEABLE MF 1K S50 ISO14443A CHINESE

    7 BYTE UID CHANGEABLE MF 1K S50 ISO14443A CHINESE MAGIC CARD for ACR122U ONLY. Item information. Condition: Brand New. Bulk savings: Buy 1. AU $12.00 each. Buy 2. AU $10.80 each.

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  • Top 7 13 56 MHz RFID – Überwachungstechnik – Xaffe

    RFID Schlüsselanhänger, YARONGTECH 10PCS Wasserdicht ABS 13.56MHz ISO14443A MIFARE Classic® 1K NFC RFID Token, RFID-Tag YARONGTECH - All the chip has unique id pre-programed, 4 byte UID, And UID Can't change.

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  • RFID card, Mifare card, Smart card, DESFire card, NTAG ...

    RFID Card, people also calls them smart card, MIFARE card, contactless card, proximity card, NFC PVC card, chip card, IC card, UHF card, etc. With the chip of low frequency 125KHz, high frequency 13.56MHz, or ultrahigh frequency 860~960MHz.

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  • 13.56MHz RFID I CODE SLI Chip Card For Hotel Management

    Direct Factory 13.56MHz ISO14443A MIFARE(R) Classic 1K 7 Byte UID code Card Sticker. Model NO.: 13.56mhz Fudan f08 pvc fingerprint chip card for access control. Model NO.: ... Classic 1k blank card with good quality. Model NO.: 13.56MHz RFID topaz 512 uid changeable. Model NO.: ...

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  • OBO HANDS UID 13.56MHz IC Tags Clone Changeable

    UID Changeable MF 1K S50 Smart IC Card RFID 13.56MHz ISO14443A Induction This card works the same as normal MF cards. Works exactly like the MF S50, with 16 Sectors and 4 Blocks each Sector, But the Sector 0 Block 0 known as Manufacturers Block where the Chip UID is stored, can be re programmed to any UID you wish.

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  • Buy 10PCS 13.56MHz 1K GEN2 UID Keyfob Changeable

    (BEST OFFER) US $6.12 15% OFF Buy 10PCS 13.56MHz 1K GEN2 UID Keyfob Changeable Token Writable R/W Key RFIC IC Tag From Vendor Allinbest Store. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Shop Quality & Best IC/ID Card Directly From China IC/ID Card Suppliers.

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  • 13.56mhz FUID Keyfobs Token Keyfobs Copy Clone Rfid

    (SUPER PROMO) US $5.46 20% OFF Buy 13.56mhz FUID Keyfobs Token Keyfobs Copy Clone Rfid Tag One-time Uid Changeable Block 0 Writable Keyfobs 5/10/20pcs From Vendor Shop911117093 Store. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Shop Quality & Best Access Control Cards Directly From China Access Control Cards Suppliers.

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  • Amazon.com: Original 13.56mhz MF1 1K S50 Chip With 7

    LEXI 20pcs Changeable UID Smart Card Rewritable 13.56MHz RFID PVC Blank Card for 1K S50 MF1 Mi-fare Door Access Control Block 0 Sector 4.1 out of 5 stars 11 $12.97 $ 12 . 97

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  • Buy NFC 13.56Mhz MF S70 4K UID 0 Block 7 Bytes Rewrite ...

    Cheap RFID Tags & Cards, Buy Quality Security & Protection Directly from China Suppliers:NFC 13.56Mhz MF S70 4K UID 0 block 7 bytes Rewrite Changeable rfid card mutable writeable Chinese magic card copy clone Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return.

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  • OBO HANDS UID IC Card Changeable Smart Card Clone

    13.56mhz MF1k S50 MF4K S70 0 Block Writable 7 Byte UID Changeable Rewritable RFID Card Chinese Magic Card by XCRFID (MF1K 7byte 5pcs) 1 offer from $75.29 YARONGTECH 13.56MHz MIFARE Classic 1K RFID Smart Cards ISO14443A Blank RFID Hotel …

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  • Buy (10PCS) 13.56 Mhz RFID M1 S50 CUID Changeable

    (BEST DEAL) US $4.68 48% OFF Buy (10PCS) 13.56 Mhz RFID M1 S50 CUID Changeable Card Tag Keychain Key Keyfob ISO14443A Block 0 Sector Writable From Seller Hecere. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Shop Quality & …

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  • Amazon.com : KINGONE 10pcs UID Card 13.56MHz RFID

    OBO HANDS Pcs of 10 UID IC Card Changeable Smart Card Clone Card for 1K S50 MF1 RFID 13.56MHz Access Control Block 0 Sector Writable 4.2 out of 5 stars 41 $6.39 $ 6 . 39

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  • UHPPOTE UID 13.56Mhz RFID Keyfob Block Writable Pack

    UHPPOTE UID 13.56Mhz RFID Keyfob Block 0 Writable (Pack of 10) UHPPOTE UID 13.56Mhz RFID Keyfob Block Writable Pack Japan's largest assortment 10 0 of $6 UHPPOTE UID 13.56Mhz RFID Keyfob Block 0 Writable (Pack of 10) Industrial Scientific Commercial Door Products Commercial Access Control UID,Writable,shaundev.timlevy.net,RFID,$6,13.56Mhz,Block ...

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  • 50pcs UID Changeable Card for 1K RFID 13.56MHz ISO14443A ...

    UID Changeable 13.56mhz MF1 1K RFID Key Tag Rewritable Zero 0 Sector 0 block Copier MF1 S50 1k rfid IC Card 10pcs/lot 4 $7.99 $ 7 . 99 13.56mhz MF1k S50 MF4K S70 0 Block Writable 7 Byte UID Changeable Rewritable RFID Card Chinese Magic Card by XCRFID (MF1K 7byte 5pcs) 3

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  • 7 Uid Changeable Writable Ntag213 Ntag215 Ntag216 13.56mhz

    7 Bytes UID Changeable Writable Ntag213 Ntag215 Ntag216 13.56MHz RFID Rewritable Proximity Card Copy Clone. Note: Don't use Acr122U and Proxmark3 write the cards,easy write dead!! This cards cannot write random,it should write according to rule of CRC.

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  • 4 tags, 4 tags Suppliers and Manufacturers at Alibaba.com

    RFID UID Changeable 4 bytes 7 bytes 13.56MHZ ... Tag Type 4 Smart NFC Label/Sticker RFID Tag M-ifare Desfire2k/4k/8k HF 13.56MHz ... custom sport tags rfid monza 5 tag cpc rfid monza 5 programmable tag monza r6 laundry tag clothing tag uhf monza 5 monza 5 pvc logistics tag uhf monza 5 stock control clothing tag monza rfid tag ...

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  • Secure Entrances with Reliable mifare iso14443a card ...

    Iso14443a Card Rfid Card Reader Identifies UID 7/4 Bytes Wiegand Active Reader Apply To RFID ISO14443A 13.56 Mhz MF Card. US $11.90-$14.00 Set. 1 Set (Min. Order) 6 YRS Secukey Technology Co., Limited. 73.5%. 4.9 ( 12) 'Quick delivery' 'Good service'. Contact Supplier.

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  • Customize UID Changeable Card, China Factory Supplier ...

    UID Changeable Card. $20 Unit Price 13.56mhz 4 Byte UID Mifare 4k S70 UID Changeable (Pack of 5 pcs) $ 135.00 $ 100.00. Tips:Welcome to pay order online, but please note that flat freight is for 1-20 piece White Card only. More quantity discount …

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  • 13.56MHZ RFID Blank PVC Card UID Changeable Block 0 ...

    13.56MHZ F08 1K Blank RFID Card UID writable (block 0) you can clone MF 1K S50 card. Barcode, Scratch off panel, Signature panel, Spray number, Laser number, Embossing, etc. Generally, 3 days for DHL/FedEx/UPS, 10 days for air shipping,18 days for sea shipping. Other chips are also available.

    Get Price
  • Buy NFC 13.56Mhz MF S70 4K UID 0 Block 7 Bytes Rewrite ...

    (SUPER PROMO) US $3.41 5% OFF Buy NFC 13.56Mhz MF S70 4K UID 0 Block 7 Bytes Rewrite Changeable Rfid Keyfobs Mutable Writeable Chinese Magic Key Tag Copy Clone From Seller XCRFID Store. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Shop Quality & Best Wholesale Directly From China Wholesale Suppliers.

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  • Buy NFC 13.56Mhz MF S70 4K UID 0 Block 7 Bytes Rewrite ...

    (BEST DISCOUNT) US $5.99 Buy NFC 13.56Mhz MF S70 4K UID 0 Block 7 Bytes Rewrite Changeable Rfid Card Mutable Writeable Chinese Magic Card Copy Clone From Vendor XCRFID Store. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Shop Quality & Best RFID Tags & Cards Directly From China RFID Tags & Cards Suppliers.

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  • Buy NFC 13.56Mhz MF S70 4K UID 0 Block 7 Bytes Rewrite ...

    Cheap RFID Tags & Cards, Buy Quality Security & Protection Directly from China Suppliers:NFC 13.56Mhz MF S70 4K UID 0 block 7 bytes Rewrite Changeable rfid card mutable writeable Chinese magic card copy clone Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return.

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  • Types of UID in contactless RFID card systems - RFID Card

    The standard defines single, double and triple size UIDs which consist of 4, 7 and 10 Bytes respectively. Single Size UID (4 byte) The Single Size UIDs (unique ones) ended since the number of usable IDs is limited to approximately 3.7 billion pieces only. Therefore the UID at this range is not unique in some cases, like NUID (FNUID and ONUID), RID.

    Get Price