Due to an issue in the RF configuration for POS/IOT SDK 6.0.1, PTX100x POS/IOT Config Tool 6.1.0, PTX100x POS/IOT Config Tool 6.1.1 and PTX100x POS/IOT Config Tool 6.2.1 a manual update of the configuration data is required.

In case an OS-based SDK is used update the RF configuration in the .dat file at address 0x2af to value 0x64 as shown in the image below:

In case of a non-OS based SDK update the RF configuration in the .c file at the section ptxNSC_RfConfig_RegsMisc as shown in the image below: