Principaux paramètres techniques Protocole de communication: Protocole ISO14443A, EM4100 series Support card: MF 1k/4k/UTL/Dfire Read distance: >3Interface cm: Wiegand, TTL, UART, USB, can be customized Voltage: DC 5V Current: <50mA Température de fonctionnement: -20°C~+70°C Reading tips: astuces buzzer, LED instructions Module size: 33× 17 × 4 mm (buzzer externe)