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CP2102 USB 2.0 to OPTICAL INTERFACE IRDA Near Infrared IR Magnetic Adapter Transparent Transmission Communication Cable for Electricity Gas Water Meter Reading Data. Application: Data collection of electric meters, gas meters, water meters Industrial-grade meter reader, Near infrared, wavelength 940nm. Infrared size: diameter 32mm,transmitting and receiving distance: 6.5mm (size is for reference only, tolerance ±2mm) New CP2102 chip, USB interface power supply, no need for external power supply. Support multiple versions of , for MacOS, Linux, Android and other systems. IEC standard industrial grade, the converter adopts CP2102 chip, ±15KV ESD protected transceiver circuit, Taiwan industrial-grade optical receiver/transmitter. Transparent transmission, supported full protocol signal conversion, such as IEC62056 (IEC62056-21, IEC62056-46, IEC62056-47), IEC61107, DLT 645, DLMS, MDBUS, Self-defining Communication Protocol, etc. The transmission rate is: 300/600/1200/2400/4800/9600/19200bps.