Multiband (169, 433 and 868MHz) wM-Bus RF sub-system with Segmented LCD Reference Design
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Key Document


The TIDC-MULTIBAND-WMBUS single PCB covers all three wM-Bus frequency bands with only a few component value changes. It is a very low-power and ETSI Cat. 1  Receiver capable RF subsystem for wM-Bus 169MHz and 433 systems without SAW filter and TCXO. Ultralow-power MSP430 with always-on LCD segment support is an excellent fit for Sub-metering applications, like Heat Cost allocators.

  • One RF layout covers all three wM-Bus bands (169, 433 and 868MHz)
  • Market leading blocking, selectivity and RX sensitivity in all wM-Bus modes
  • ETSI Cat. 1  Receiver capable wM-Bus subsystem at 169 and 433MHz
  • Open Source code examples for  wM-Bus modes S, T, C, C2OTHER F, Nabef, Ncd and Ng
  • SRF7 configurations files for Receiving wM-Bus packets in all modes

This ultralow-power LCD + RF system is tested and includes firmware in source code,  SRF7 Studio GUI configuration files and User's Guide.

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Schematic/Block Diagram

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Design Files

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Part Number Buy from Texas Instruments or Third Party Alert Me Buy from Authorized Distributor Status

CC1120EMK-868-915 :
CC1120 Evaluation Module Kit 868/915MHz


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EM Adapter BoosterPack


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MSP-EXP430FR4133 :
MSP430FR4133 LaunchPad Development Kit


Pricing may vary.


TPS62730EVM-726 :
Step Down Converters Bypass Mode for Ultralow-Power Wireless, Evaluation Module, TPS62730


Pricing may vary.

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TI Devices (3)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CC1120  High performance Sub-1 GHz wireless transceiver for narrowband systems  SimpleLink Solutions  Sample & Buy View Design Kits & Evaluation Modules
MSP430FR4133  16 MHz MCU with 16KB FRAM, 2KB SRAM, 10-bit ADC, LCD, UART/SPI/I2C, IR Logic, Timer  Microcontrollers (MCU)  Sample & Buy View Design Kits & Evaluation Modules
TPS62730  Step Down Converter with Bypass Mode for Ultra Low Power Wireless Applications  Step-down (buck) regulators  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CC1120 Download Download
Download -
MSP430FR4133 Download Download
Download Download
Download Download
TPS62730 Download Download

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Technical documentation

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (1)
Title Type Size (KB) Date
PDF 1627 29 Apr 2015
Design files (6)
Title Type Size (KB) Date
ZIP 97 11 May 2015
ZIP 1522 11 May 2015
PDF 234 11 May 2015
PDF 44 11 May 2015
PDF 61 11 May 2015
PDF 112 11 May 2015
Related Tools & Software

Software development (2)

Name Part Number Software Type
Wireless M-Bus Protocol Software  WMBUS  Application software & frameworks 

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