cim vice se cislo --..dBm blizi k nule, tim lepsi signal klient ma (je to zaporne cislo)
zarizeni se signalem horsim jak -85dBm by meli vymenit antenu nebo cele zarizeni!!
porucha muze byt zpusobena zavadou nebo treba vodou v antene ci kabelu


prikaz:
# in wi reg pr na RB s IP #10.133.91.2

# INTERFACE RADIO-NAME MAC-ADDRESS AP SIGNAL... TX-RATE
0 wlan2 000B6B4D421C 00:0B:6B:4D:42:1C yes -49dBm... 54.0...
1 ;;; ID 5039 Hudecek_klient
wlan1 54:E6:FC:A6:6F:C9 no -63dBm... 36.0...