Can you tell me its range? I want to detect my cat's microchip from several inches away, through his skin and fur.

After setting the module to max range, the best I can get is a half inch range. Also, animal microchips operate on a different frequency (~130kHz) than standard NFC 13.56MHz).

Does the rfid-rc522 come with the header pins already soldered?

No. It comes with 2 types of pins; straight and L shaped so you can fit it to any project. But you’ll have to solder the ones that fit to the board

what type of cards should i buy if i want more

the question you ask really makes me stop and think. I believe you are asking about the operating frequency of the card. It needs to have an Operating Frequency 13.56MHz. Many of the ones I see offered from Amazon state that they operate at 125 KHz. I would not buy those. I would buy one that specifies the 13.56 MHz frequency. I prefer the dog tag type over the card type, but that would just be personal preference. I hope my answer is helpful.

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HiLetgo RFID Kit - Mifare RC522 RF IC Card Sensor Module + S50 Blank Card + Key Ring for Arduino Raspberry Pi

Product ID: 28355008

Details

Brand
HiLetgo
CPU Model
Tegra
Connectivity Technology
SPI
Included Components
RFID Kit
Model Name
HiLetgo RFID

⚡Low power consumption (13-26mA)

📡13.56MHz high-frequency RFID

🔗SPI interface for seamless CPU integration

€ 14.07

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Sold byAmazon BelgiumDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔐 Unlock innovation with the ultimate RFID toolkit—because your smart projects deserve the best!

ROBUST COMPATIBILITY - Works flawlessly with MIFARE S50, S70, Ultralight, Pro, and DESFire cards—future-proof your projects.
EFFORTLESS INTEGRATION - Plug-and-play SPI interface ensures smooth connection with Arduino & Raspberry Pi for rapid prototyping.
ENERGY EFFICIENT DESIGN - Ultra-low idle and sleep currents (<80µA) keep your device running longer without draining power.
HIGH SPEED COMMUNICATION - Supports up to 424kbit/s two-way data transfer for instant, reliable RFID reading and writing.
BUILT FOR ALL ENVIRONMENTS - Operates reliably from -20°C to 80°C, perfect for both indoor and rugged outdoor applications.

The HiLetgo RFID Kit features the Philips MFRC522 chip, delivering high-frequency 13.56MHz contactless communication with robust MIFARE card support. Designed for low power consumption and easy SPI interface integration, it’s ideal for Arduino and Raspberry Pi developers seeking reliable, fast, and versatile RFID solutions in a compact 40x60mm module.

Specifications

ASIN	B01CSTW0IA
Best Sellers Rank	#874 in Single Board Computers (Computers & Accessories)
Brand	HiLetgo
Built-In Media	RFID Kit
CPU Model	Tegra
Compatible Devices	Arduino, Raspberry Pi
Connectivity Technology	SPI
Customer Reviews	4.5 4.5 out of 5 stars (217)
Manufacturer	HiLetgo
Mfr Part Number	3-01-0490-A
Model Name	HiLetgo RFID
Number of Items	1
Operating System	Linux
Processor Brand	NVIDIA
Processor Count	1
Total Usb Ports	1
Wireless Compability	Radio Frequency

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€ 14.07

Duties & taxes included

In stock

Sold byAmazon BelgiumDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Belgium.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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