1) Chip frequency: 125kHz -13.56kHz 2) Material: ABS, PVC 3) Shape: keychain, fob, token, wrist band, watch, coin

Keychain Smart Tag:

4) Chip: TK4100, EM4100, T5557, Hitag2, Mifare S50 5) Custom logo or photo is available with printed 6) Color: gray, blue, red 7) Application: parking, car, access control8) Looks like articleEM Tag CardFeatures:1) Card type: read only 2) Memory: 64 bit, 128 bit: Protocol ask, Manchester 3) Mode: EM4100, EM4102, TK4100 (much cheaper, compatible with EM) 4) Frequency: 125kHz 5) Transmission: Passive 6) Material: PVC, PET, ABS 7) Size: 86 x 54 x 0.8mm (T) 8) Applications: logistics automation, anti-counterfeiting, access control, industrialtransponder

Keychain Smart Tag