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 5V(±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℃ (+14℉~+158℉) Kuchengetedza tembiricha: -20℃~+80℃ (-4℉~+176℉) Saizi: 38.5×19×9mm