... 350 mmNFC-V (vicinity) Infineon my-d vicinity SRF55V10P HF 13.56 MHz (+/- 5 %) ISO: 15693, 18000-3 ... RFID technology and reading distance.NXP MIFARE Ultralight C HF 13.56 MHz (+/- 5 %) ISO: 14443, 18000-3 ... PVC / PET/Fabric/Highlight photo paper.etc. HF(13.56Mhz)Square Size 18*18mm,25*25mm,30*30mm,35* ... 35mm,38*38mm,50*50mm,or in customized.HF(13.56Mhz)RoundDiameter:20mm,25mm,26mm,28mm,30mm,35mm,38mm, ...