5Pcs 125KHz EM4100 RFID Card Read Module RDM630 UART Compatible Arduino

Description: 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 This module is convenient to use, the power supply serial connection after Arduino motherboard, when RFID card to enter the card read range, module will be through the UART the card number directly send Arduino Receiver sensitivity, high operating current, high stability Suitable for access control, time and attendance, charges, anti-theft, Patrol and other radio frequency identification applications Specification: Frequency: 125KHz Interface: TTL RS232 Voltage: DC 5V (5%) Current: