A station (STA) that communicates with an access point (AP) in a Wireless Local Area Network (WLAN) system includes a transceiver configured to support transmission and reception of signals within at least a first bandwidth and to receive a first physical layer protocol data unit (PPDU) conforming to a second bandwidth greater than the first bandwidth, and processing circuitry configured to support a wider bandwidth than the first bandwidth by obtaining a second PPDU allocated to the STA within the first bandwidth from the first PPDU. The processing circuitry is configured to control the transceiver to transmit, to the AP, performance information indicating first modulation and coding schemes (MCSs) supportable in the wider bandwidth according to a capability of the STA, among a plurality of candidate MCSs.