A device including: a wireless communication unit to transmit and receive signals of a beamforming, BF, training, via one or more of a plurality of quasi-omnidirectional antenna assemblies (116, 120) of an initiator station, STA, each of the antenna assemblies including at least one transmit antenna sector, wherein the wireless communication unit is to transmit to a responder STA a plurality of initiator BF training frames during one or more repetitions of a Transmit, Tx, Sector Sweep, TxSS, via each transmit antenna sector of each antenna assembly (116, 120), a count of the one or more repetitions of the TxSS is based on a count of quasi-omnidirectional antenna assemblies of the responder STA, an initiator BF training frame of the plurality of initiator BF training frames comprising an antenna identifier to identify an antenna assembly of the initiator STA to transmit the initiator BF training frame, and a sector identifier to identify a sector of the initiator STA to transmit the initiator BF training frame, wherein the wireless communication unit is to receive a plurality of responder BF training frames from the responder STA, each responder BF training frame of the plurality of responder BF training frames comprising an indication of a responder-identified antenna assembly of the initiator STA and a responder-identified sector of the initiator STA based on one or more of the plurality of the initiator BF training frames, wherein the wireless communication unit is to transmit a feedback frame to the responder STA, the feedback frame comprising an initiator-identified transmit antenna assembly of the responder STA and an initiator-identified transmit sector of the responder STA, wherein the wireless communication unit is to transmit the feedback frame via the responder-identified antenna assembly and the responder-identified sector, and based on the responder BF training frames, the wireless communication unit is to determine an antenna assembly of the initiator STA to communicate with the responder STA. a wireless communication unit to transmit and receive signals of a beamforming, BF, training, via one or more of a plurality of quasi-omnidirectional antenna assemblies (116, 120) of an initiator station, STA, each of the antenna assemblies including at least one transmit antenna sector, wherein the wireless communication unit is to transmit to a responder STA a plurality of initiator BF training frames during one or more repetitions of a Transmit, Tx, Sector Sweep, TxSS, via each transmit antenna sector of each antenna assembly (116, 120), a count of the one or more repetitions of the TxSS is based on a count of quasi-omnidirectional antenna assemblies of the responder STA, an initiator BF training frame of the plurality of initiator BF training frames comprising an antenna identifier to identify an antenna assembly of the initiator STA to transmit the initiator BF training frame, and a sector identifier to identify a sector of the initiator STA to transmit the initiator BF training frame, wherein the wireless communication unit is to receive a plurality of responder BF training frames from the responder STA, each responder BF training frame of the plurality of responder BF training frames comprising an indication of a responder-identified antenna assembly of the initiator STA and a responder-identified sector of the initiator STA based on one or more of the plurality of the initiator BF training frames, wherein the wireless communication unit is to transmit a feedback frame to the responder STA, the feedback frame comprising an initiator-identified transmit antenna assembly of the responder STA and an initiator-identified transmit sector of the responder STA, wherein the wireless communication unit is to transmit the feedback frame via the responder-identified antenna assembly and the responder-identified sector, and based on the responder BF training frames, the wireless communication unit is to determine an antenna assembly of the initiator STA to communicate with the responder STA.