TK4100 access card is based on SMC4100 IC connected with a few laps, which are then embedded 
    into plastic. No batteries required. This card is read-only, 40-bits unique number in the Manchester code.
    TK4100 access card is compatible with EM4100. These cards are primarily used in access control applications 
    and other identity authentication.
    TK4100 Access Card
    1. Chips: TK4100
    2. Dimension: CR80 or as customer's requirement
    3. Frequency: 125KHz
    4. Standard ISO11785
    5. Material: PVC or ABS 
    6. Data saved time: 10 years
    7. Options: Signature panel, LOCO/HICO Magnetic Stripe, embossing letter and number, barcode, sequential 
      numbering, Gold/Silver card, frosted card.
    8. Application: EM4305 Key Card is widely used in Parking lot system and hotel door locks, for its long inductive 
    distance(70-80cm), ISO Thin EM Card is widely used in Access Control System, Time and attendance, parking lot 
    and consuming system.
    This ISO Card is the first member of a Low Frequency product family of smart ID\'s based on the ISO standard 
    ISO 7816. The TK 4100 Access Card Pro T10116 can have a read and write distance up to 10 cms, which offers 
    systems provider to offer this card in a variety of access control solutions. TK 4100 Access Card Pro T10116 
    solution offers enhanced consumer-friendly system design, in combination with reliability at a cost effective  price.