The zyxel nebula nap303 80211ac dual radio smart antenna 3x3 nebula cloud managed access point is a high performance 3x3 80211ac wi fi ap capable of delivering combined data rates of up to 175 gbps featuring smart antenna technology the nap303 perfectly solves coverage problems by adjusting antenna patterns adaptively to fit different wireless environments the nap303s industry leading rf output power and sensitivity jointly offer greater coverage and better performance to networks the ult