/**
  * Returns true if a network provider can be satified by the required sector
  *
  * @param NetworkProvider $provider
  * @return boolean
  */
 public function isSatisfiedBy(NetworkProvider $provider)
 {
     foreach ($provider->getCoverageZones() as $zone) {
         if ($zone->sectorExists($this->requiredSector)) {
             return true;
         }
     }
     return false;
 }