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The battery or mains powered wireless M-Bus gateway B4 is highly configurable plug-and-play device used for collecting data from Wireless M-Bus meters / sensors and transmitting the data using LTE CAT-M1 and MQTT protocol Long range and high sensitivity internal (or external mounted) antennas To maximize the battery lifetime possible configuration to listen number of minutes, specific time during day, specific days and limit number of packets stored per meter / week / day / hour The gateway firmware can be upgraded remotely using MQTT B4 series gateway can be used with Lansen R4 series repeaters and transmit additional information (see datasheet) Configuration can be done with: Lansen Wireless M-BUS programming dongle together with our program, Lansen Configurator, other wireless M-BUS transmitters or remotely using the MQTT protocol Possible to activate 128 bit AES-key encryption Gateway suited for harsh environments, operating temperature: -30…+85 °C, protection class: IP40, IP65 and IP67 IoT LTE M SIM card needed (acquired separately)
