
| material quality | Embedded skeleton: Nylon (modified nylon); Surface shell: TPU (polyurethane) |
| encapsulation technology | secondary injection molding |
| pigment | Embedded frame: Black surface shell: Yellow, red, pink, green, blue |
| form | φ30mm X 14.6mm |
| weight | About 7 grams |
| Use operating temperature (during communication) | -20°C to +65°C (no freezing) |
| Maintain ambient temperature ( data-hold ) |
-30°C to +75°C (no freezing) |
| temperature tolerance | +100°C (hot water) for 1 hour, 20 cycles |
| Environmental standards | Complies with IP67 standard, offering waterproof, sun protection, and immersion resistance |
| Chip type | EM4200(EM Marin) | EM4305(EM Marin) | SIC279(Silicon Craft) | I CODE SLI(NXP) | NTAG216(NXP) | Higgs-4(Alien) |
| function | read only | Read and write | ||||
| memory capacity | ROM:64 Bit | EEPROM:512 bit USER DATA:288 bit |
EEPROM:528 bit USER DATA:192 bit |
EEPROM:1024 Bit USER DATA:896 bit |
EEPROM:924 bytes USER:DATA 888 bytes |
NVM :448bit Access and 32 bit Kill Passwords 32 bit EPC 128bit TID 64bit USER DATA 128bit |
| UID number | 10-bit read-only factory ID | 15-bit ID encoding | The world's only 64-bit read-only factory UID | 7 byte UID | 出厂 96位EPC编码 | |
| service frequency | 125KHZ ± 1KHZ | 134.2KHZ ± 1KHZ | 13.56KHZ ± 0.3MHZ | 920MHZ | ||
| protocol | ISO 18000-2(EMID) | ISO 11784/85(FDX-B) | ISO15693 | ISO/IEC 14443 Type A | ISO18000-6C | |
| Data retention time | > 20 years at 55°C (131°F) | > 10 years at 55°C (131°F) | > 20 years at 55°C (131°F) | > 10 years at 55°C (131°F) | ||
| Number of data overwrites | >100,000 times at 25°C (77°F) | |||||
| power supply mode | Passive (battery-free) | |||||
| Recognition distance | 1 to 50cm | 1 to 60cm | 1 to 15cm | 0.1– 3cm | 1 to 2.5 meters | |