รายละเอียดสินค้า : For the readings of indications of heat meters, water meters and heat cost allocators mounted in residential buildings, public or industrial buildings. The system operates based on a communication protocol according to PN-EN 13757 Wireless M-Bus, frequency: 868 MHz, reading mode – unidirectional (Wireless M-Bus T1), configuration mode – bidirectional. It is possible to configure the transmission frequency in the range of selected days and hours.