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RFQ
EM4423 In Stock

EM4423 (em|echo) NFC + UHF Dual-Frequency RFID IC

The EM4423 is a single-chip dual-frequency RFID tag IC from EM Microelectronics combining NFC (HF) and RAIN (UHF) — branded "RAINFC". The HF side is NFC Forum Type 2 compliant and the UHF side is EPC Gen2v2 compliant, with a 96-bit inalterable unique ID — widely used for retail item tagging, consumer engagement, and anti-counterfeiting.

Type
Dual-Frequency RFID (NFC+UHF)
HF Interface
13.56MHz (NFC Forum Type 2)
UHF Interface
860~960MHz (EPC Gen2v2)
Memory
128-bit EPC + 160-bit USER

Features

  • Single-chip NFC 13.56MHz + UHF 860~960MHz
  • HF: NFC Forum Type 2; UHF: EPC Gen2v2 / ISO18000-63
  • 96-bit inalterable unique ID (TID)
  • Memory: 128-bit EPC + 160-bit USER (configurable)
  • 32-bit kill / access password protection
  • Near-field and far-field read from one device

Specifications

Type Dual-Frequency RFID (NFC+UHF)
HF Interface 13.56MHz (NFC Forum Type 2)
UHF Interface 860~960MHz (EPC Gen2v2)
Memory 128-bit EPC + 160-bit USER
Unique ID 96-bit TID
Security 32-bit kill / access passwords

Applications

RFIDNFCUHFRAINDual-Frequency
EM4423 EM MICROELECTRONICS Dual-Frequency RFID (NFC+UHF)

Order Info

Stock, pricing, lead time, and samples for EM4423 — we reply within one business day.

Request Quote Request datasheet / sample
EM Microelectronics logo

EM Microelectronics

Switzerland

Ultra-Low Power ICs — Semiconductor brand of the Swatch Group

View all EM Microelectronics products → Official EM Microelectronics site

Selection guides & comparisons

Guide
RFID Tag IC Frequency Selection: 125 kHz vs 13.56 MHz vs UHF

EM4423 — Frequently Asked Questions

Where can I buy EM4423?
JLink Technology is an authorized EM Microelectronics distributor serving Taiwan, Mainland China, and Hong Kong. Submit an RFQ for EM4423 and we will respond with pricing and lead time within one business day.
Is EM4423 in stock?
Stock and lead time for EM4423 vary by quantity. Send us your required quantity via the RFQ form and we will confirm current availability and delivery schedule.
Can I get the EM4423 datasheet and samples?
Yes. As an authorized EM Microelectronics distributor, JLink Technology can provide the official EM4423 datasheet, samples, and engineering support. Contact us to request them.
What is the minimum order quantity for EM4423?
We support orders from prototype samples to mass production. Tell us your target volume in the RFQ and we will quote accordingly.
Is there a pin-compatible alternative or second source for EM4423?
Tell us the part you need to replace and your application. As a multi-line authorized distributor, JLink Technology can suggest a verified cross-reference or second source related to EM4423 where one exists, and quote pricing, stock, and lead time.

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