RFID Board with Antenna - 125 kHz (rhydoLABZ)

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  • Part No :
  • RFID-2590
  • Availability:
  • In Stock
  • Shipping :
  • Same Day*
  • Weight:
  • 0.02Kg
  • Made By:
  • rhydoLABZ
  • Mfr.Part.No:
  • RFID-2590
  • Quality Rank:
  • 100/100
Rs 449
(Excluding GST.)
Rs 530
(Including GST)
530 rhydoLABZ.com New In Stock
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Description: This RFID Board is designed for reading the tag data from 125KHz compatible tags/cards. It reads EM4100 family transponder tags that are brought in proximity to the external antenna and outputs the unique tag identification number via TX pin or the Wiegand pins (as per SEL pin configuration). The 12 byte output includes ten bytes of actual tag's unique ID and checksum. Output format is totally compatible with that of EM-18 modules.

It works at a fixed factory set baud rate of 9600bps 8-N-1, which is supported by almost all microcontrollers & PCs. This  RFID Reader Board can be connected directly to any TTL-compatible UART devices or to any serial communication devices with right interfacing modules. With this super small design, it can be widely applied in office/home security, personal identification, access control, inventory control, payment systems, production control systems, etc.

NOTE: External antenna and the berg strip is soldered on to the board. If you need them without soldering, kindly mention the same in comments while placing the order.


Pin              Description
 D1 Output Pin: Wiegand DATA1
 D0 Output Pin: Wiegand DATA0
 VCC Power Supply Pin
 TX Output Pin: TTL Serial Data
 GND Ground
 SEL Selection Pin: Strap to VCC for TTL Serial, Strap to GND for Wiegand26
 BUZ  Goes high on tag detection, Could be used with buzzer circuitry for audio alert

  • Compact Design
  • Bread Board compatible
  • Professionally Designed Double sided FR-4 PTH PCB
  • Very less decoding time
  • Out format selection (TTL  serial/Wiegand26)
  • Supports external antenna, includes one
  • Maximum Effective Distance Up To 15cm
  • Reads EM4100 compatible tags/cards
  • Standard 2.54mm Pitch Bergstrip connector
  • Output pin (BUZ) that goes high on card detection
  • Status LED for card detection
  • On-Board Power LED


  • Working Frequency: 125Khz
  • Reading Distance: 10 ~ 15 cm
  • Baud rate: 9600 bps (8-N-1)
  • Interface: TTL and Wiegand26
  • Power requirements: 4.5 to 5.5 VDC
  • Antenna Inductance: 0.5mH
  • Antenna Dimension: 28x28x3 (mm)
  • PCB Dimension: 37x24x1.5 (mm)
Package Includes:
  • 1 x  RFID Reader Board
  • 1 x  External Antenna Coil
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By SENTHILKUMAR KANAGARAJ from N/A on February 13, 2016
How to connect external antenna? Is it mandatory to connect antenna?
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By Rahul Kapadia from N/A on December 30, 2015
So compact a design. We were in need of something like this for quite a while. With external antenna option and convenient design this one fits with our project design very well.
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RFID Board with Antenna - 125 kHz (rhydoLABZ)