=== Series 2 Radio ===
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File:Metricom Utilinet IWR Series II - Case External.jpg|Metricom Utilinet IWR Series II
=== Series 4 Radio ===
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File:LandisGyrWangateRadio1.JPG| Cellnet Technology Gridstream Series 4 File:LandisGyrWangateRadio2.JPG| Smaller antenna connector than Series II radio, power connector moved to the other end of the case. File:LandisGyrWangateRadio3.JPG| Much smaller than Series II radio, more powerful processor and radio now uses single transceiver IC with increased transmission power. File:LandisGyrWangateRadio4.JPG| They still stick with a single sided PCB for component placement, same as Series II radio.
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