Landis+Gyr Integrated WanGate Radio (IWR)

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Revision as of 23:15, 14 August 2021 by Hash (talk | contribs) (→‎Series 4 Radio: Added notes to images)
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Series 2 Radio

  • Metricom Utilinet IWR Series II

  • Radio fully disassembled

  • 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.

  • 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

  • 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.

  • They still stick with a single sided PCB for component placement, same as Series II radio.

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