EM MicroelectronicDual-Frequency
EM4423
Dual-frequency NFC + UHF RAIN RFID tag IC
The RFID & NFC Datasheet Library
Every major RFID and NFC chip — LF, HF, UHF and dual-frequency — with verified links to official manufacturer datasheets. Curated by Roxtron.
RFID and NFC chip datasheets
- EM MicroelectronicDual-Frequency
EM4425
HF ISO 15693 + UHF ISO 18000-6C, 2Kbit EEPROM
- Texas InstrumentsDual-Frequency
RF430F5978
Sub-1-GHz / LF wireless MCU with integrated 134.2 kHz transponder used in livestock and asset trackers.
Free RFID & NFC Tools
Browser calculators built on the same datasheet data. No login.
NDEF Capacity Calculator
Does your URL / vCard / Wi-Fi payload fit on an NTAG / ICODE / ST25?
UHF Read-Range Estimator
Friis-equation range for UCODE 9, Monza R6, Higgs-9 and friends — FCC / ETSI.
EPC SGTIN-96 Encoder / Decoder
24 hex characters ⇄ GTIN-14 + serial, with GS1 check-digit validation.
Chip Memory Map Visualizer
Where UID, lock bytes and user memory live on NTAG, MIFARE, T5577, ICODE.
Embeddable Comparison Widget
Copy-paste iframe of any 2-3 chips, live from our database.