... building,clean room,workshop,agricultural greenhouses,storage,super market,cold room,freezer,etc. Electrical characteristics and standards compliant :1) The main ... is with 1 start bit, 8 data bits, and 1 stop bit,none checkout.3) Data transmitting velocity is optional,that are 1200b ... with the mode of master/slave. In this way, the data could be transferred between in a master station (such as ...