=== Early Generation Dual Board based on M16C processor ===<gallery mode="packed" heights="200">File:LandisGyr PCBD-00106 Rev06 Top.JPG|Dual board meter, older design, brain/network board topFile:LandisGyr PCBD-00106 Rev06 Bot.JPG|Dual board meter, older design, brain/network board bottomFile:LandisGyr PWB-72127 RevA Bot.JPG|Dual board meter, older design, metering board topFile:LandisGyr PWB-72127 RevA Top.JPG|Dual board meter, older design, metering board bottom</gallery>---- === Generation 4 and older boards based on M16C processor ===
<gallery mode="packed" heights="200">
File:LandisGyr PCB Blank1.JPG|Blank PCB Components side
File:LandisGyr PCB 24-1082 RevAE.JPG|PCB with EM250 Zigbee chip and lower accuracy Teridian chip
File:LandisGyr PCB 24-1562 RevAA.JPG|PCB with EM357 Zigbee chip and higher accuracy Teridian chip
File:LandisGyr PCBD-00106 Rev06 Top.JPG|Dual board meter, older design, brain/network board top
File:LandisGyr PCBD-00106 Rev06 Bot.JPG|Dual board meter, older design, brain/network board bottom
File:LandisGyr PWB-72127 RevA Bot.JPG|Dual board meter, older design, metering board top
File:LandisGyr PWB-72127 RevA Top.JPG|Dual board meter, older design, metering board bottom
</gallery>
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