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LAUNCHXL-CC1310: Is the PCB antenna designed for the 868MHz frequency?

Part Number: LAUNCHXL-CC1310
Other Parts Discussed in Thread: CC1310,

Good morning,

I want to test the radio performances of CC1310 MCU at 868MHz, so I'm thinking to buy the LAUNCHXL-CC1310

Is the PCB antenna designed for the 868MHz frequency?  Or I need to use an external antenna?

Another question: is this demoboard obsolete?  Digikey says that it is no more in production... ( https://www.digikey.it/it/products/detail/texas-instruments/LAUNCHXL-CC1310/6050667?s=N4IgTCBcDaIDIEECqA5AwgCQBpwLRrQEYBmQgBhAF0BfIA )

Best regards,

Lorenzo