D-Link DWS-1008 Cli Reference Manual page 220

DWS-1008 CLI Reference Guide
Packet Retransmission Number of retransmitted packets sent from the client
Count
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Phy Errors Count
D-Link Systems, Inc.
to the radio on the active channel. Retransmissions can indicate
that the client is not receiving ACKs from the DWL-8220AP radio.
Number of frames received by the DWL-8220AP radio that had
physical layer errors on the active channel. Phy errors can indicate
interference from a non-802.11 device.
Access Point Commands
219