... l Support RS232, RS485, Wiegand interface;* Effective distance depends on antenna, tag and environment.CHARACTERISTICSl Absolute Maximum RatingITEMSYMBOLVALUEUNITPower SupplyVCC16VOperating Temp.TOPR ... CStorage Temp.TSTR-20~+75°Cl Electrical and Mechanical SpecificationUnder TA=25°C,VCC=+9V unless specifiedITEMSYMBOLMINTYPMAXUNITPower SupplyVCC8912VCurrent DissipationIC 350650mAFrequencyFREQ902 ...