ddwrt: implemented extremely crude speedtest with netcat
install[apt]: netcat
ddwrt: da5id => n-only, mixed 20/40 bw
Revert "ddwrt: da5id => n-only, mixed 20/40 bw"

it breaks the n9's ability to remember the SSID

This reverts commit 57f5e018ddbea10c351633ebe051ba849d56a3b7.
finished todo
finished todo