MODEL: DS5(W)  OS: Windows Handheld Architecture: UHF RFID Reader Module Protocol: EPC Gen2( ISO 18000-6C) Frequency: 917.3MHz to 920.3MHz ( Korea) , 860MHz to 960MHz ( Customizable) Max Tx Power: 30dBm 1dBm ( 1W)   Supply voltage: 3.8 ~ 4.2V ( typ. : 4V) Max Current ( max. power) : < 1.4A Tag Read Distance( Max.) : < 10m Operating Temperature: -10 to + 50 LED Indicators: Data Signaling UART,Baud rate: ( 115200bps)