OSRFID · Basics

RFID vs NFC: the difference is frequency, not fashion

People treat these as two competing technologies. They are not. NFC is a branch of RFID. Once you understand the frequency split, choosing becomes obvious.

The one-line answer

NFC is RFID at 13.56 MHz. UHF RFID is RFID at 860–960 MHz. Same family, different physics, completely different jobs.

Side by side

UHF RFIDNFC (HF)
Frequency860–960 MHz13.56 MHz
Read range1–12 m1–10 cm
ReaderDedicated hardware (handheld, portal, fixed)Any modern smartphone
Bulk readingHundreds per secondOne at a time
Typical jobInventory, logistics, asset trackingAuthentication, pairing, warranty

The decision rule that actually works

Ask one question: who is holding the reader?

Almost every failed RFID project violated this rule somewhere. NFC chosen for stock counting means staff tapping items one by one. UHF chosen for consumer authentication means nobody can read it at home.

When you need both

This is more common than people expect. A spirits brand wants UHF at the warehouse for pallet counting, and NFC on the bottle so a customer can verify authenticity. That is a dual-frequency label — two inlays in one construction, and it costs far less than running two separate SKUs.

Common misconceptions

Frequently asked

Can a phone read a UHF RFID tag?

No. Phones contain NFC (13.56 MHz) radios, not UHF readers. Reading UHF requires dedicated hardware.

Is NFC more secure than RFID?

Not inherently. NFC with an authentication chip (DESFire, SM7) is secure; NFC with a plain NTAG is easily cloned. Security comes from the chip, not the frequency.

Which is cheaper?

NFC labels are usually cheaper per unit for small volumes because the chips are commodity parts. UHF becomes cost-competitive at volume, and offers far more capability per yuan.

Related

Related reading