# RFID Tag (125kHz)

**Type:** Product page · **SKU:** COM-14325 · **Brand:** [Sparkfun](https://core-electronics.com.au/brands/sparkfun-australia)
**Page:** https://core-electronics.com.au/rfid-tag-125khz-41420.html ([markdown](https://core-electronics.com.au/rfid-tag-125khz-41420.html.md))

You might know RFID as the technology that Big Brother uses to track your every move. Quickly, don the tinfoil hats!!

## Pricing

- **Price:** $4.75 (inc GST) — $4.32 AUD, exc GST
- **Quantity discounts:** 5+ $4.19 (exc GST) · 25+ $4.10 (exc GST) · 100+ $3.93 (exc GST)

## Availability & dispatch

- Available with a lead time — expect dispatch between Aug 25 and Aug 31.

## Description

You might know RFID as the technology that Big Brother uses to *track your every move*. Quickly, don the [tinfoil hats](https://en.wikipedia.org/wiki/Tin_foil_hat)!!

Only kidding. RFID is useful for sensing and identifying tagged people and objects for access control, automation and a whole range of different applications. This basic RFID tag works in the 125kHz RF range and comes with a unique 40-bit ID. It is not reprogrammable.

This blank, smooth, mildly flexible RFID tag is ready for your logo (or hand-drawn scribble).

**Dimensions:** 2.13 x 3.35 x 0.03" (54 x 85.5 x 0.8mm)

**Features:**

- EM4001 ISO-based RFID IC
- 125kHz Carrier
- 2kbps ASK
- Manchester encoding
- 40-bit unique ID
- 64-bit data stream \[Header+ID+Data+Parity\]

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/1/4/14325-01.jpg)