This is a 6-channel S.BUS receiver for air models, utilizing the T-FHSS HV communication protocol. - Model: R3006SB - Number of Channels: 6ch - Function: S.BUS Receiver - Type: For Air - Communication Method: T-FHSS HV [Condition] Used only a few times and is in overall good condition. However, there may be minor scratches and scuffs from use. Please understand that this is a used item before purchasing. [Notes] ・Please refrain from purchasing if you are sensitive to imperfections or are seeking a perfect condition item.