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Glass Capsule RFID Tags is applied in biological identification, item management, epidemic prevention, animal tracking, etc. The biggest characteristic is, good chemical stability, small size, durable, submerged in the water also read/write. 
![]() Material
| Biochemical coating coverage, biological glass, antibacterial, allergy | Dimension | 1.25*7mm, 1.4*8 mm, 2.12*8 mm or Customized | Chip Type | Type (LF) - TK4100, EM4200, EM4305, EM4450, ATMEL5577, HITAG-S256 | Operating Frequency | 134.2KHz/125KHz | Operating Temperature | -20～50℃ | Storage Temperature | -40～70℃ | Operating Year | More than 20 years | Writable Time | More than 1000000 times | Maximum Read Distance | About 10cm |
Chip Options
Chip | Memory Size 1
(bytes) | User Memory 2
(bytes) | Max URL 3
(characters) | Best Use | Ultralight | 64 | 48 | 41 | Cost effective chip for short URLs in products
(wristbands, keyfobs, etc). | NTAG203 | 168 | 144 | 132 | Popular, established all-round NFC chip.
Cost-effective with good memory capacity. | NTAG210 | 80 | 48 | 41 | Cheap, general NFC use with short URLs.
Limited availability | NTAG213 | 180 | 144 | 132 | Next generation chip, will eventually replace
NTAG203.Great ScanStrength. | NTAG215 | 540 | 504 | 492 | The 'one in the middle'. Good memory but
limited availability compared to the NTAG216. | NTAG216 | 924 | 888 | 854 | Large memory and full feature set. Higher price
makes it suitable for vCard and
larger memory use only. | Ultralight C | 192 | 148 | 132 | Specialist applications requiring encryption only.
Poor scan distance with mobile phones. | MF 1k | 1024 | 716 | 710 | Legacy applications only. Not recommended
Poor scan distance with mobile phones. | Desfire 4k | 4K | 4094 | 2000 | Specialist applications requiring strong
data encryption only. | Topaz 512 | 512 | 454 | 449 | Universally compatible chip available in only
a limited number of products.
Useful for vCards or small data storage. |
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