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Safe to transmit without antenna? (CC1120EM)

Other Parts Discussed in Thread: CC1120

If using the CC1120EM 868/915MHz reference design, is it safe (no risk of damage) to transmit at full power (+14dBm) without an antenna, i.e. with nothing connected to the SMA connector?

I would assume it is perfectly fine, but I note that the maximum output power of +14dBm exceeds the absolute maximum "Input RF Level" of +10dBm.

Thanks!