Reading time <1S Card reading distance 0~3CM Operating frequency (FC) 13.56MHZ± 7KHZ Interface USB2.0 Operating temperature 0℃~50℃ Storage temperature -40℃~60℃ Relative humidity <90% Storage relative humidity 20%~93% Atmospheric pressure 86KPA~110KPA Average trouble-free working time (MTBF) >5000H Power supply mode USB power supply USE OPERATING SYSTEMS WINDOWS XP, WINDOWS 7 AND OTHER COMMON OPERATING SYSTEMS Development tools support VC/C#/DELPHI/VB/JAVA and other languages Weight <0.37KG Dimensions 190MM(L)X125MM(W)X40MM(H) Confidentiality module, special module for ID card verification system Antenna energy output Antenna surface electromagnetic strength (HMAX) ≤7.5A/M RMS Electromagnetic intensity at the line reading on the surface of the antenna (HMAX≥1.5A/M RMS) Complies with ISO/IEC14443 TYPE B international standard