Hola, compré este protucto hace unos días y necesito un manual para el respectivo funcionamiento del dispositivo. ¿Me puedes ayudar por favor?

Personalmente no tengo el manual, pero al conectar a la PC no tuve ningún problema al reconocer mis tarjetas que indica en el detalle del producto. Lo que pude identificar es que las tablets y teléfonos móviles no son compatibles

Hello, i am looking for the api documentation for this product?

the rfid reader returns the card number in any text editor or application that receives data through the keyboard

My other rfid system reads a fob as 23419200 from multiple sources. this reader reads the same fob as 0015354624. why is that?

depending on your system you are using you may need to purchase a different reader. You can also set the system to read from a door then present the fob to that reader and see if you get the same results.

Will this unlock my computer

Yes if you use a 4100 rfid chip it will output it as plaintext, works on my PC

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🔐 Unlock efficiency with every swipe — RFID reading made effortless!

UNIVERSAL COMPATIBILITY - Works flawlessly with multiple OS versions including Windows XP to 7 and Linux.
SEAMLESS USB PLUG PLAY - Instant setup with no drivers needed across Windows & Linux — get started in seconds.
COMPACT LIGHTWEIGHT DESIGN - Sleek 110x80x26mm footprint fits effortlessly on any desk or workstation.
PRECISION 125 K HZ RFID READING - Reads first 10 digits of EM4100/EM410X cards for reliable, secure ID verification.
BUILT IN BUZZER LED DIAGNOSTICS - Immediate feedback with buzzer alerts and power LED for smooth operation.

The HiLetgo 125kHz EM4100 USB RFID ID Card Reader offers a compact, plug-and-play solution for quick and accurate reading of 125kHz RFID cards. Compatible with multiple Windows and Linux systems, it delivers the first 10 digits of card data with built-in buzzer and LED indicators for seamless user feedback. Perfect for professionals seeking reliable, driverless ID verification in a sleek, portable design.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Compatible Devices	PC
Color Name	Black
Batteries Included	No
Batteries Required	No
Brand	HiLetgo
Manufacturer	HiLetgo
Item Model Number	3-01-1240
Operating System	Linux, Windows_xp, windows_7, windows_vista
Special Features	Compact
Connectivity Technology	USB Type A
Product Dimensions	11 x 8 x 2.6 cm; 91 g

HiLetgo 125Khz EM4100 USB RFID ID Card Reader Swipe Card Reader Plug and Play with Cable First 10 Digits (Only read 125kHz ID Card, can't read IC Card. See product images)

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