According to the page reference from, It doesn't work with cold boot, dies with sleep/wake.
But I have not those issue, just network will blocked occasionally.- For El Capitan 10.11.6
Download patched IO80211Family.kext, and use KextBeast to install. (Delete original IO80211Family.kext form /S/L/E First)...
Kext For AR9462 On El Capitan