[ { "Release": "R1066", "Region": "EMEA", "CoreVersionMin": "162", "CoreVersionMax": "164", "MetrologyVersion": "287", "RadioFrequencyMhz": "433", "MeterSizes": [ "DN50" ], "ApproverName": "Ami A Arsalan", "ApprovalDate": "2020-12-31T00:00:00" }, { "Release": "R1100", "Region": "EMEA", "CoreVersionMin": "162", "CoreVersionMax": "167", "MetrologyVersion": "287", "RadioFrequencyMhz": "433", "MeterSizes": null, "ApproverName": "Willi Weber", "ApprovalDate": "2021-04-01T00:00:00" }, { "Release": "R106F", "Region": "EMEA", "CoreVersionMin": "162", "CoreVersionMax": "166", "MetrologyVersion": "287", "RadioFrequencyMhz": "868", "MeterSizes": [ "DN50", "DN60", "DN80", "DN150" ], "ApproverName": "Oliver Ohlsen", "ApprovalDate": "2021-01-08T00:00:00" }, { "Release": "B1070", "Region": "NA", "CoreVersionMin": "162", "CoreVersionMax": "166", "MetrologyVersion": "508", "RadioFrequencyMhz": null, "MeterSizes": [ "DN50" ], "ApproverName": "Mike M Miller", "ApprovalDate": "2021-01-13T00:00:00" } ]