NanoBeam 5AC 2nd Generation 19dBi High-Performance airMAX Bridge Incorporating innovative industrial design with proprietary airMAX AC technology, the NanoBeam AC is ideal for CPE deployments requiring maximum performance from the smallest possible footprint. The updated version has all the benefits of the old NBE-5AC-19, but also includes a Management Wi-Fi Radio and increased surge protection. Management Wi-Fi Radio The NanoBeam AC integrates a separate Wi-Fi radio for fast and easy setup using your mobile device. Improved Surge Protection The NanoBeam AC features enhanced protection against ESD events.