If I’m changing the Session Key, does it matter if I set the upper (KU) or lower (KL) first?

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• What order is the data sent in the KU/KL AT commands?

  The KU/KL commands assume that the session key is already set at the coordinator. So to transmit keys from the coordinator to an endpoint the following steps must be used: Set the Provisioning Key using the PK command on both the coordinator and ...

• I want to set up the encryption in the field by broadcasting session key, can you give steps/commands which I can use to analyze this feature?

  In order to broadcast the session key in the field, a provisioning key must be set in advance. The provisioning key encrypts the session key and ensures that no unencrypted key is ever broadcast. At the factory or at some point prior to field ...

• Instead of sending the SK in 2 AT commands (KU and then KL), is there some AT command that allows it to be sent as one command?

  There is no command which sends both parts automatically, they must be sent individually. Also, it doesn’t matter which order they are sent, as long as both parts of the key are received by the endpoint, encryption will be enabled automatically.

• Where can I find the default Device EUI, App EUI and App Key for LoRaWAN sensors?

  Device EUI This is the ID on the label located on the sensor itself.  The barcode provided can also be used to read the Device EUI. Application EUI  By default this is set to: 0101010101010101.  This can be customized in the factory for production ...

• Is there a default PK that comes in all modules from the factory or how do I find out what it is?

  The provisioning key is not set by Radio Bridge, it is a write-only field that is set by the client prior to deployment into the field. The session key itself could be programmed into every device and the provisioning key would not be necessary. The ...