GYRFID is a Chinese supplier of smart cards and RFID tags based in Shanghai. GK4001 ISO Card is the most popular card in the access control system.
Chip model: GK4001
Read/Write function: ReadOnly
Operating Frequency: 125KHz
Chip Origin: Taiwan
Reading Distance: 3-10cm with desktop reader, can reach 40cm upon long range reader.
Dimensions: CR80 85.60 x 53.98mm
Material: PVC, PET
Card Surface: Matte/ gloss finish
Offset Printing with CMYK or Pantone colors/ Silk-screen printing with metallic, sliver effect/ Magnetic Stripe HiCo2750, HiCo4000 or LoCo300/ Serial Number or UID number printing/ Signature Panel/ Barcode printing/ Photo personalization/ Chip encoding/ Hologram/ UV printing / Laser Logo / Laser Serial Number
Access control/ Membership Loyalty System/ Time attendance / Hotel locks