Technical parameters Frequency: 125KHz Work mode: Read-only Baud rate: 9600(TTL level RS232 interface) Interface: Weigang26/TTL Electricity Level RS232 format Power supply: DC 5 V(±5%) Current: < 50ma Working distance: > 50mm (varies according to different RFID card) Extended I/O interface: N/A Indication light: N/A Working temperature: -10℃ ~ + 70 ℃ (+14Qhov ntsuas kub ntawm qhov ntsuas kub ntawm qhov ntsuas kub yog + 158 hli) Cia kub: -20℃ ~ + 80 ℃ (-4Qhov kub thiab txias ntawm qhov kub ntawm qhov kub ntawm qhov kub yog siab tshaj + 176 hli) Qhov Coob: 38.5×19×9mm