Catalog > Internet of Things (IOT) Related Products > More Platforms Card Reader 125KHZ Module 125KHZ Module Card Reader CMU CARD READER 125KHZ MODULE RDM6300 125KHZ RFID CARDREADER MINI MODULE Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview Cardreader 125KHz Mini-Module is designed for reading code from 125KHz card compatible read-only tags and read/write card . It can be applied in office/home security, personal identification, access control, anti-forgery, interactive toy and production control systems etc. Features Support external antenna Maximum effective distance up to 150mm Less than 100ms decoding time Uart interface Support EM4100 compatible read only or read/write tags Small outline design Specifications Color: Green + red Material: Plastic + metal Features: RFID reader supporting modules Specification: RDM630, RFID reader module Operating voltage: 5V Operating current: <50mA Frequency: 125KHz Baud Rate: 9600 Interface Type: TTL level RS232 format Reception range: 20mm~50mm (depending on the antenna and the card) RFID reader module, can read 125K EM4100 Series RFID card; The module is easy to use, Arduino motherboard serial connection energized when RFID card into the card reader range, the module through the UART directly to the card number sent to the Arduino; Then relay module is connected Arduino simple access control can be achieved The dedicated module RDM630 series of non-contact RF ID card, preclude the use of advanced RF receiver circuits and embedded microcontroller design, combined with efficient decoding algorithms, to complete the EM4100 compatible ID card data reception; Receiver sensitivity, high operating current, high stability Suitable for access control, time and attendance, charges, anti-theft, Patrol and other radio frequency identification applications English Manual/Spec: YES A product for Arduino that works with official Arduino boards