Sifooyinka ugu muhiimsan
Hab maamuuska isgaarsiinta: ISO14443
Joogtaynta: 13.56MHz
Caadi ah: Kaarka Java 3.0.5, Globalpatform 2.3
Algoritms: RSA4096, SHA256, ECC521
Waxyaabaha: PVC PVC PVC
Cabirka: ISO 7810 (85.60× 53.98 × 0.086mm)
J2R110, J3R110, J2R150, J3R150, J3R180, J3R200 waa JCOP4 taxanaha Java Kaarka Java Kaarka Java waa Purneles kale oo ka dib J2A, J3A, J3D, J3H taxane, Iyada oo ku saleysan hubinta amniga sare iyo waxqabadka sare, awoodda kaydinta xogta waa la kordhiyay, oo Flash chip waxaa loo isticmaalaa in lagu sameeyo xawaaraha xisaabinta ee chip si dhakhso ah oo xasilloon. Kahor taxanaha J3H JAVA (loo dhan yahay), Dhamaantood waxay adeegsadeen chips-ka EEPROM, iyo ka dib taxanaha J3R (loo dhan yahay), Dhammaantood waxay adeegsadeen flash chips.

J2R110, J3R110, J2R150, J3R150, J3R180, J3R200 CHIPS waxaa laga heli karaa EMV iyo noocyada ka duwan. Nooca EMV waxaa badanaa loo isticmaalaa garoonka dhaqaale; Nooca Secud waxaa inta badan loo isticmaalaa garoonka aqoonsiga elektiroonigga ah, iyo algorithm algorithm iyo algorithm-ka ugu furaha ah ee Gen Furaha 'waxaa loo isticmaalaa garoonka kaadhka Aqoonsiga elektiroonigga ah. Waqtigan xaadirka ah, Taxanaha J3R wuxuu helay CC EAL 6+ shahaado.
Wanka (i.e., Wadada xusuusta) ee taxanaha J3R kaararka java waa 4k, taas oo ah 0.8k in ka badan kan taxanaha J3h, iyo cabirka apubiyer ee apubiyeynta waa la ballaarin karaa xitaa intaa ka sii badan.