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The frame pending subfield is 1 bit in length and shall be set to 1 if the device sending the frame has additional data to send to the recipient following the current transfer. If more data are pending, the recipient shall retrieve them by sending another data request command to the device. If the device sending the frame does not have any more data for the recipient, this subfield shall be set to 0.
The frame pending subfield shall be used only in frames transmitted either during the CAP by devices operating on a beacon-enabled PAN or at any time by devices operating on a nonbeacon-enabled PAN.
