Technical parameters Frequency: 125KHz Work mode: Read-only Baud rate: 9600(TTL level RS232 interface) Isixhumi esibonakalayo: 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℉) Storage temperature: -20℃ ~ + 80 ℃ (-4℉~+176℉) Usayizi: 38.5×19×9mm