ISO18000-6B,ISO18000-6C protocol Standard RS232 ,RS485,RJ45 interface Reading Range:above 8m One-Four antenna ,TNC Connector MK- ... GEN2)Operating ModeFHSS(Hopping Frequency)RF Power0~30dBm,software configurableCommunicationInterfaceStandard RS232 ,RS485,RJ45Output PortGPIO outputReading RangeDepends on antenna gain,connect 12dBi ...