NRF.setAdvertising 'name' and 'iBeacon'

It's a bit counter-intuitive, but you need the name in the second argument, so:

NRF.setAdvertising([
  ibeacon.get({
    uuid : uuidStringToArray(uuid),
    major : 2,
    minor : 1,
    rssi : -59
  }),
  {}
], {interval:200,name: "PuckHub"});