... center. it is Hongdian registered trade mark.TDP- Terminal/DTU Protocol, it is the data transmission protocol between ... power inputSmart power managementPower on/off controlIndustrial class pluggable terminal blockStandard antenna and R-UIM interfaceReliable, flexible, easy ... /RS-485 Rate: 300~115200bps Connector: 3.5mm pluggable terminal block (14~24AWG) Configuration interface: RS-232 (57600bps)Voice ...