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125KHz EM4100 RFID Card Read Module
125KHz EM4100 RFID Card Read Module
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- The RFID module board has a 125KHz frequency and uses TTL RS232 interface.
- Combined with efficient decoding algorithms, to complete the EM4100 compatible ID card data reception.
- Suitable for access control, time and attendance, charges, anti-theft, Patrol and other radio frequency identification applications.
- The dedicated module RDM630 series is a non-contact RF ID card that uses advanced RF receiver circuits and embedded microcontroller design.
125KHz EM4100 RFID Card Read Module
The 125KHz Card Mini-Module is designed for reading code from 125KHz/ 134.2KHz card-compatible read-only tags and read/write a card. It can be applied in office/home security, personal identification, access control, anti-forgery, interactive toy, and production control systems.
This module is easy to use, serial port connects to Arduino MCU after power-up when the RFID card enters into the card reading range, this module will send the card number to Arduino by UART You can further connect the relay Arduino shield to your Arduino in order to enable the simple door keeper controlling system.
RFID or Radio Frequency Identification system consists of two main components, a transponder/tag attached to an object to be identified, and a Transceiver also known as an interrogator/Reader. A Reader consists of a Radio Frequency module and an antenna that generates a high-frequency electromagnetic field.
Pinout:
Package Includes:
- 1 x 125Khz EM4100 RFID Card Key ID Reader Module
RFID Card Key ID Reader Module Specifications
| Frequency | 125KHz |
| Card Type | RFID Card Reader Module |
| Model | EM4100 RFID Card |
| Interface | TTL RS232 |
| Current | <50mA |
| Working Temperature | -10°C ~ +70°C |
| Dimensions | 3.85 x 1.9 x 0.9cms |
| Weight | 15 grams |
Shipping & Returns
Shipping & Returns
- All orders confirmed before 3 pm IST are shipped on the
same day, barring rare pickup delays on holidays or disturbances - Delivery time in Metro cities is 1-3 days, Others it is
3-7 days. It varies based on location, reliant on courier services - Return window: 7 days from receipt unless stated
otherwise. No refunds/replacements after - Returns only for non-working/damaged products are accepted
- Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
- Refunds are processed within 3-4 working days post inspection and approval.
For more details, please check our Shipping and Return Policy
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1. What is RFID reader module?
- A radio frequency identification reader (RFID reader) is a device used to gather information from an RFID tag, which is used to track individual objects. Radio waves are used to transfer data from the tag to a reader. RFID is a technology similar in theory to bar codes.
2. What is the use of the RFID module?
- The RFID Module is designed for reading code from 125KHz/ 134.2KHz card compatible read-only tags and read/write a card. It can be used in office/home security, personal identification, access control, anti-forgery, interactive toy, and production control systems.
3. How does a RFID card reader work?
- The RFID reader is a network-connected device that can be either portable or fixed. It transmits signals that activate the tag using radio waves. When the tag is turned on, it sends a wave back to the antenna, which is converted into data.
4. What is the difference between NFC vs RFID?
- RFID stands for Radio Frequency Identification, a contactless one-way communication method at varying distances. NFC stands for Near Field Communication, allows for two-way Communication and requires action by the user.
5. How does RFID work without power?
- Passive RFID tags have no power of their own and are powered by the radio frequency energy transmitted from RFID readers/antennas. The signal sent by the reader and antenna is used to power the tag and reflect the energy back to the reader.
