In some embodiments disclosed herein a device 102 for network communication transmits an outbound WLAN frame to a remote device 104 via the network 100. The outbound frame includes a frame synchronization portion 802 followed by first ODFM. The device also receives an inbound WLAN frame 808 from the remote device. The inbound frame includes second OFDM symbols. One of: (a) the transmitted outbound frame and (b) the inbound frame, includes generation data 821 for generating the other of the outbound frame, by the device, and the inbound frame, by the remote device. The frame synchronization portion suspends transmission of the first OFDM symbols to be synchronized with the second OFDM symbols. Corresponding methods, computer programs and non-transient computer readable mediums are also disclosed.