... service 4,4 lan ports, 1 wan port The ZBT-WR856N-BS provides multiple security measures; supporting SSID broadcast ... used to improve network service quality. Supports firmware upgrade. The ZBT-WR856N-BS provides multiple security measures; supporting SSID broadcast control ... will guard against intruders using stronger, safer protection. The ZBT-WR856N-BS allows companies, offices, and homes to share ...