125KHZ LF TK4100 Keyfob were wildly used on access control, Parking lot system,E-Ticket and so on.
It’s tiny size that can be very convenience to carry on.
RFID TK4100 Keyfob also can be made as your requested color, logo printing and laser engraved.
HF:ISO14443A--NTAG213/215/216,MF 1K S50/4K S70,FM11RF08,MF DESfire EV1 2K/4K/8K,
TOPAZ512,MF Ultralight/Ultralight C,MF Plus S/X(2K&4K) etc.
ISO15693---I Code SLI/I Code SLI-X/I Code SLI-S/Ti2048
UHF:ALIEN H3/H4,Monza 4D/4E/4QT,Monza5,U Code 7 etc.