1, Introduction The communication agreement of CHD602P is compatible with HID5355K card reader.The reader is also used as accessorial device of the controller which is outside connected with a HID5355K card reader CHD602P card reader is with some powerful functions, for example, it supports to open doors by password except by reading card. It, with handsome and exquisite appearance, is easy and convenient to operate 2,Performance parameters: * Size:118MM(length)X 105MM(width)X 24MM(thickness)* With an indicator light for display* Working temperature:-10°C 50°C; Storage temperature:-40°C 70°C* Relative humidity :≤90% no condensation* Environment requirement: no dust, no corrosive gas,no flammable gas,no oiled fog ,no vapor,no dripping or salinity, etc.*ESD anti-jamming parameter: air discharge ≤ ±9KV,touch discharge ≤±6KV* Power supply: rated voltage 12VDC >200MA* Power: static current <35 mA, dynamic current <45 mA* Speed of reading card: ≤1second*Distance of Wiegand transmission: ≤60m* Working frequency: 125KHz.