Landis+Gyr Integrated WanGate Radio (IWR)

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Revision as of 05:38, 27 December 2021 by Hash (talk | contribs) (→Series 2 Radio)
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  • Metricom Utilinet IWR Series II
    Metricom Utilinet IWR Series II
  • Radio fully disassembled
    Radio fully disassembled
  • Internal view of case, notice surge suppressors bolted to the left side of the case.
    Internal view of case, notice surge suppressors bolted to the left side of the case.
  • EEPROM for code storage and jumpers, JP2 used to enter test mode.
    EEPROM for code storage and jumpers, JP2 used to enter test mode.
  • Radio transmitter/receiver board. Separate components used to build up RF circuit, replaced by single transceiver IC's in newer devices.
    Radio transmitter/receiver board. Separate components used to build up RF circuit, replaced by single transceiver IC's in newer devices.


Series 4 Radio

  • Cellnet Technology Gridstream Series 4
    Cellnet Technology Gridstream Series 4
  • Smaller antenna connector than Series II radio, power connector moved to the other end of the case.
    Smaller antenna connector than Series II radio, power connector moved to the other end of the case.
  • Much smaller than Series II radio, more powerful processor and radio now uses single transceiver IC with increased transmission power.
    Much smaller than Series II radio, more powerful processor and radio now uses single transceiver IC with increased transmission power.
  • They still stick with a single sided PCB for component placement, same as Series II radio.
    They still stick with a single sided PCB for component placement, same as Series II radio.
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