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EBVchips: Vulcanus

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Vulcanus - wireless module with M-Bus stack

Vulcanus is a compact 169 MHz surface-mounted Wireless M-Bus module featuring an RF front-end and a MCU with embedded wireless M-Bus protocol software supporting the new EN13757 – 4:2013 Mode N and is pre-certified for operation under EU radio regulations.

Image of Block Diagram 2016 EBVchips Vulcanus

The Vulcanus module measures only 15 x 34 x 3.8 mm and contains a communication engine with embedded Wireless M- Bus protocol software, a high performance RF transceiver and an amplifier. The communication engine handles the radio packet protocol, the UART interface and controls the RF transceiver as well as the external IOs. The external host processor will manage the module configuration by sending ‘AT’ commands to the communication engine via UART allowing configuring frequency, channels, output power, GPIO behavior etc. The commands are used to start and stop the communication as well as to put the module in deep sleep to achieve ultra-low powerconsumption while the module is not used . Some configuration parameters are stored in the internal non-volatile memory in order to be restored by a power-up sequence. The module has an advanced filtering circuitry to suppress harmonics and spurs.

Key features:

  • Embedded Wireless M-Bus protocol supporting EN 13757-4:2013 mode N
  • Best in class Wireless M-Bus protocol stack
  • High power, long range, up to +27 dBm
  • Completely shielded
  • uFl connector for easy antenna connection
  • 2.0 - 3.6 V supply voltage, ultra-low power modes
  • GPIOs available for application
  • Conforms with EU R&TTE directive (EN 300 220, EN 301 489, EN 60950)
  • Configurable LBT as defined in CIG UNI/TS 11291-11-4
  • Hardware and software customization possible
  • Configuration and RF communication by AT commands through UART


Application examples:

  • Wireless M-Bus
  • Automatic Meter Reading (AMR)
  • Advanced Metering Infrastructure (AMI)
  • Gas and Water meters
  • Electricity meters
  • Heat meters, Heat cost allocators
  • Readers and concentrators
  • Asset Tracking and Tracing

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