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[W-MBUS] How is the RSSI byte value transformed into an attenuation/signal strength value?

The received power can be calculated as this P = – RSSI / 2 [dBm]. RSSI = 0-255

    Last Update: January 18, 2018  

    January 18, 2018   3662    Wireless M-Bus Q&A  

    Related Knowledge Base Posts -

    • [W-MBUS] “There is something I do not understand. In the 169 Mhz it is allowed to transmit at 500mW or +27dBm. This is specified by the module if a power supply of 5V is used for the power amplifier. However , if you want to transmit at +27dBm this means a Vpp of approximately +14.1 Volt . Is there a DC-DC convertor on board of the module ? “
    • [W-MBUS] Is there any of your MBUS radios that supports repeater functionality?
    • [Wireless M-Bus] “The W MBus network will contain repeaters to transmit data from 868 MHz to 169 MHz. We want repeaters in Battery operated mode. 1. We plan to put Repeaters in long sleep mode and arrival of packet from nodes would wake Repeater. This design would be similar to Data collector/Concentrator design envisaged in Wireless M Bus specs. Alternatively we can design time synchronized wake-up algorithm so that all nodes wake up at the same time (including repeater) and after data transmission, all nodes go back to sleep mode. What would you recommend?”

     

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    • Home
    • Products
      • MIOTY Network
        • MIOTY Parts and Tools
      • RIIM™ Network
        • RIIM™ Parts and Tools
        • Cloud To Sensor Prototype Network By RIIM™
      • Wireless M-Bus
        • WIZE
        • W-MBUS Sensor Interfacing Modules (MSM)
        • RC1702HP For Custom Applications
      • RC232™
      • Tinymesh
      • Customizable
      • Wireless Mesh Modbus Extender
      • Development Kits
        • Buy A Development Kit/Samples
        • Development Kit Support
        • USB Sticks
        • Expansion Boards For Gateways
    • Services
      • Design Services
    • Applications
      • Emergency Lighting
      • EV Charger Communication
      • Smart Irrigation
        • Next-Gen Smart Irrigation Evaluation Kit
      • Smart Metering
        • Wireless M-Bus Smart Metering Modules
        • Mioty For Smart Metering
      • Smart Street Lighting
      • Solar
        • Next-Gen Solar Evaluation Kit
      • Sub-Metering
      • Wireless Sensor Networks
    • Technologies
      • RIIM
      • Wireless M-Bus
      • Wize Alliance and Wize Technology
      • Wireless Modbus
      • RC232
      • Tinymesh™
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      • Blog
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