Landis+Gyr Integrated WanGate Radio (IWR): Difference between revisions
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=== Series 2 Radio === | ===Series 2 Radio=== | ||
<gallery> | <gallery> | ||
File:Metricom Utilinet IWR Series II - Case External.jpg|Metricom Utilinet IWR Series II | File:Metricom Utilinet IWR Series II - Case External.jpg|Metricom Utilinet IWR Series II | ||
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=== Series 4 Radio === | ===Series 4 Radio=== | ||
<gallery> | <gallery> | ||
File:LandisGyrWangateRadio1.JPG | File:LandisGyrWangateRadio1.JPG| Cellnet Technology Gridstream Series 4 | ||
File:LandisGyrWangateRadio2.JPG | File:LandisGyrWangateRadio2.JPG| Smaller antenna connector than Series II radio, power connector moved to the other end of the case. | ||
File:LandisGyrWangateRadio3.JPG | 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 | File:LandisGyrWangateRadio4.JPG| They still stick with a single sided PCB for component placement, same as Series II radio. | ||
</gallery> | </gallery> | ||
Revision as of 23:15, 14 August 2021
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.
