Add table B.4.28: B.4.28 Relay features Item Protocol capability References Status Support RL1 Relay operation 9.49 (Relay CF33: M Yes No N/A    operation) RL2 Relay Support CF1: O Yes No N/A    RL3 element RL1 OR Yes No N/A    RL2:M RL4 Signaling of Relay element in Probe CF33:M Yes No N/A    Request, (Re-)Association Request frames RL5 Signaling of Relay element in S1G (RL2):M Yes No N/A    Beacon, Probe Response, Short Probe Response frames and (Re-)Association Response frames RL6 TXOP sharing 9.49.3 (CF32 & Yes No N/A    (Procedures of RL1):O TXOP sharing (CF32 & for relay RL2):O operation) (CF2 & CF32):O RL6.1 Explicit Ack procedure 9.49.3.1 RL6:O.4 Yes No N/A    (ExplicitAck procedure) RL6.2 Implicit Ack procedure 9.49.3.2 RL6:O.4 Yes No N/A    (Implicit Ack procedure) RL7 Relay discovery procedure 9.49.5 (Relay (CF32 & Yes No N/A    discovery RL1):O procedure), CF1: O 10.1.4.3.4a CF2: O (Active scanning for relay discovery)
Add table B.4.28: B.4.28 Relay features Item Protocol capability References Status Support RL1 Relay operation 9.49 (Relay operation) CF33: M Yes  No  N/A  RL2 Relay Support CF1: O Yes  No  N/A  RL3 element RL1 OR RL2:M Yes  No  N/A  RL4 Signaling of Relay element in Probe Request, (Re-)Association Request frames CF33:M Yes  No  N/A  RL5 Signaling of Relay element in S1G Beacon, Probe Response, Short Probe Response frames and (Re-)Association Response frames (RL2):M Yes  No  N/A  RL6 TXOP sharing 9.49.3 (Procedures of TXOP sharing for relay operation) (CF32 & RL1):O (CF32 & RL2):O (CF2 & CF32):O Yes  No  N/A  RL6.1 Explicit Ack procedure 9.49.3.1 (ExplicitAck procedure) RL6:O.4 Yes  No  N/A  RL6.2 Implicit Ack procedure 9.49.3.2 (Implicit Ack procedure) RL6:O.4 Yes  No  N/A  RL7 Relay discovery procedure 9.49.5 (Relay discovery procedure), 10.1.4.3.4a (Active scanning for relay discovery) (CF32 & RL1):O CF1: O CF2: O Yes  No  N/A 
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