> For the complete documentation index, see [llms.txt](https://docs.kpnthings.com/kpn-things/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.kpnthings.com/kpn-things/building-blocks/devices/trackers/kpn-locationtag-ii-v2.md). # KPN LocationTag II v2 ![KPN LocationTag II v2](https://portal.kpnthings.com/assets/images/device-types/kpn-locationtag-ii-v2.png) Tag for localization and movement monitoring. Revision of KPN LocationTag II. Added functionality NFC and FSK. * Supported network type(s): `KPNLORA` * Device Specification ID: `kpn-locationtag-ii-v2` * Device Specification UUID: `43d4122f-b2ce-486b-9ede-d5463d2a822d` | Decoders | decoderSpecificationUUID | Description | | --------------------------------------------- | -------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | › Decoded payload for Asset Tracking (v2) | `1e530f69-1c43-54da-bc77-f3508486c21e` | Decoder for Streamline LoRa short and long payloads containing a.o. NFC field detected flag, sabotaged flag, motion status, and battery voltage. Long payloads also contain a.o. firmware, power up, and transmission time. | | › Decoded payload for counting rotations (v2) | `2aeeaef5-fb56-5b07-9675-58d568dc708f` | Decoder outputting general information and specific rotation and orientation data | | Encoders | encoderSpecificationUUID | Description | | ------------------------- | -------------------------------------- | ----------------------------------------------- | | ‹ Encoded device commands | `9935fa32-6915-4fe9-b864-37e9913a97f9` | Set the device mode and enabling of nfc writes. | ### › Decoded payload for Asset Tracking (v2) Decoder for Streamline LoRa short and long payloads containing a.o. NFC field detected flag, sabotaged flag, motion status, and battery voltage. Long payloads also contain a.o. firmware, power up, and transmission time. {% hint style="info" %} This decoder also decodes [Geolocation and Local Gateway](/kpn-things/getting-started/tutorials/technical-overview/location-data.md) data. {% endhint %} The following SenML records can be present, amongst others: | name | type | unit | example | description | | --------------------- | ------- | ---- | ------------ | ------------------------------------------------------------------------------------------------------ | | acceleratorActive | boolean | | `true` | | | alarmMode | boolean | | `true` | | | batteryVoltage | number | V | `3.56` | | | firmwareCRC | string | | `"9e17"` | Only sent in long payload messages | | firmwareVersion | string | | `"0604"` | Only sent in long payload messages | | motionTime | number | min | `142271.0` | | | movementIndication | string | | `"STOP"` | Indicates the devices movement status. Either `"STOP`, `"STATIONARY"`, `"START"` or `"MOVING"` | | nfcFieldDetected | boolean | | `true` | | | nfcState | string | | `"RESERVED"` | Only sent in long payload messages. Either `"RESERVED"`, `"NFC_READ_ONLY"`, `"NFC_OFF"`, or `"NFC_RW"` | | nrOfLoraTransmissions | number | | `7427.0` | Only sent in long payload messages | | powerupTime | number | min | `1334707` | Only sent in long payload messages | | sabotaged | boolean | | `true` | | | settingsCRC | string | | `"a3e5"` | Only sent in long payload messages | | temperature | number | Cel | `23.432` | | | transmissionTime | number | s | `5180` | Only sent in long payload messages | #### Example SenML {% hint style="info" %} SenML can be structured in different ways, and we do not guarantee the examples below will look the same as what you will receive on your Destination. To make sure you can handle the SenML optimally, take a look at our documentation about [Understanding and Interpreting SenML Data](/kpn-things/building-blocks/data-processing/thingsml-and-senml/senml/understanding-and-interpreting-senml-data.md). {% endhint %} **Short payload** ```json [ { "bn": "urn:dev:DEVEUI:0123456789012345:", "bt": 1693136532.83, "n": "nfcFieldDetected", "vb": false }, { "n": "acceleratorActive", "vb": true }, { "n": "sabotaged", "vb": true }, { "n": "movementIndication", "vs": "START" }, { "n": "alarmMode", "vb": true }, { "n": "batteryVoltage", "u": "V", "v": 2.96 }, { "n": "motionTime", "u": "min", "v": 22756 }, { "n": "temperature", "u": "Cel", "v": -8 }, { "n": "timeOrigin", "vs": "NETWORK" } ] ``` **Long payload** ```json [ { "bn": "urn:dev:DEVEUI:0123456789012345:", "bt": 1693136532.83, "n": "nfcFieldDetected", "vb": false }, { "n": "acceleratorActive", "vb": true }, { "n": "sabotaged", "vb": false }, { "n": "movementIndication", "vs": "STATIONARY" }, { "n": "alarmMode", "vb": false }, { "n": "batteryVoltage", "u": "V", "v": 3.01 }, { "n": "temperature", "u": "Cel", "v": 1 }, { "n": "firmwareVersion", "vs": "06a9" }, { "n": "firmwareCRC", "vs": "ac01" }, { "n": "settingsCRC", "vs": "ec36" }, { "n": "nfcState", "vs": "NFC_READ_ONLY" }, { "n": "motionTime", "u": "min", "v": 18418 }, { "n": "powerupTime", "u": "min", "v": 1156219 }, { "n": "transmissionTime", "u": "s", "v": 4142 }, { "n": "nrOfLoraTransmissions", "v": 3255 }, { "n": "timeOrigin", "vs": "NETWORK" } ] ``` ### › Decoded payload for counting rotations (v2) Decoder outputting general information and specific rotation and orientation data Fixes from '› Decoded payload for counting rotations': * For the field `nfcState`, the values`"NFC_READ_ONLY"` & `"NFC_OFF"` were swapped. {% hint style="info" %} This decoder also decodes [Geolocation and Local Gateway](/kpn-things/getting-started/tutorials/technical-overview/location-data.md) data. {% endhint %} The following SenML records can be present, amongst others: | name | type | unit | example | description | | --------------------- | ------- | ---- | ----------------- | --------------------------------------------------------------------------------------------------------- | | acceleratorActive | boolean | | `true` | | | alarmMode | boolean | | `false` | | | batteryVoltage | number | V | `3.03` | | | firmwareCRC | string | | `"3407"` | Not present in detail level 1 messages | | firmwareVersion | string | | `"06b0"` | Not present in detail level 1 messages | | movementIndication | string | | `"STATIONARY"` | Indicates the devices movement status. Either `"STOP"`, `"STATIONARY"`, `"START"` or `"MOVING"` | | nfcFieldDetected | boolean | | `false` | | | nfcState | string | | `"NFC_READ_ONLY"` | Not present in detail level 1 messages. Either `"RESERVED"`, `"NFC_READ_ONLY"`, `"NFC_OFF"` or `"NFC_RW"` | | nrOfLoraTransmissions | number | | `27` | Not present in detail level 1 messages | | orientationX | number | | `21` | Only present in detail level 3 messages | | orientationY | number | | `7` | Only present in detail level 3 messages | | powerupTime | number | min | `184996` | Not present in detail level 1 messages | | rotationCount | number | | `2` | | | rotationLeft | number | | `1` | Only present in detail level 3 messages | | rotationRight | number | | `3` | Only present in detail level 3 messages | | sabotaged | boolean | | `false` | | | settingsCRC | string | | `"42b5"` | Not present in detail level 1 messages | | temperature | number | Cel | `24.3` | | | transmissionTime | number | s | `67` | Not present in detail level 1 messages | #### Example SenML {% hint style="info" %} SenML can be structured in different ways, and we do not guarantee the examples below will look the same as what you will receive on your Destination. To make sure you can handle the SenML optimally, take a look at our documentation about [Understanding and Interpreting SenML Data](/kpn-things/building-blocks/data-processing/thingsml-and-senml/senml/understanding-and-interpreting-senml-data.md). {% endhint %} ```json [ { "bn": "urn:dev:DEVEUI:0123456789012345:", "bt": 1693136532.83, "n": "nfcFieldDetected", "vb": false }, { "n": "acceleratorActive", "vb": true }, { "n": "sabotaged", "vb": false }, { "n": "movementIndication", "vs": "STATIONARY" }, { "n": "alarmMode", "vb": false }, { "n": "batteryVoltage", "u": "V", "v": 3.03 }, { "n": "rotationCount", "v": 2.0 }, { "n": "temperature", "u": "Cel", "v": -24.0 }, { "n": "firmwareVersion", "vs": "06b0" }, { "n": "firmwareCRC", "vs": "3407" }, { "n": "settingsCRC", "vs": "42b5" }, { "n": "nfcState", "vs": "NFC_READ_ONLY" }, { "n": "powerupTime", "u": "min", "v": 184996.0 }, { "n": "transmissionTime", "u": "s", "v": 67.0 }, { "n": "nrOfLoraTransmissions", "v": 27.0 }, { "n": "rotationLeft", "v": 1.0 }, { "n": "rotationRight", "v": 3.0 }, { "n": "orientationX", "v": 21.0 }, { "n": "orientationY", "v": 7.0 }, { "n": "timeOrigin", "vs": "NETWORK" } ] ``` ### ‹ Encoded device commands * Protocol: LoRa downlink * Description: Set the device mode and enabling of nfc writes. * Multiple commands in one downlink: No Input mapping: * Name: `mode` * Value: `Missing` (translates into → `118000000080000000`) * Name: `deviceControl` * Value: `Reset` (translates into → `0200`) * Value: `NFC_Write` (translates into → `1B11FA1816`)