=== Early Generation Dual Board based on M16C processor ===
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File:LandisGyr PCBD-00106 Rev06 Top.JPG|Dual board meter, older design, brain/network board top
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=== Generation 4 based on M16C processor ===
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File:LandisGyr PCB Blank1.JPG|Blank PCB Components side
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=== Generation 5 smart meter based on ARM Cortex-M processor (FCCID R7PEG1R1S6)===
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File:LandisGyr PCB 24-2411 RevAC TopScreen.JPG|Top of Gen5 meter board with LCD screen