Grandstream GWN 7802P POE 16GE 4SFP zarz?dzalny switch L2+

Installed SFP modules quantity: 4 | Virtual LAN features: Voice VLAN | Stackable: Yes | Virtual LAN features: Port-based VLAN | Rack mount kit: Yes | MAC address entries: Static MAC address entries | Configuring Location Settings (CLI): Yes | Queue scheduling algorithms: SP | Queue scheduling algorithms: WRR+SP | Traffic shaping: Yes | Queue scheduling algorithms: WFQ | Queue scheduling algorithms: WFQ+SP | Authentication type: RADIUS, TACACS+ | MAC address entries: Dynamic MAC address entries | Power over Ethernet plus (PoE+) ports quantity: 16 | Forwarding rate: 29.76 Mpps | Quality of Service (QoS) support: Yes | Security algorithms: SNMP | Power over Ethernet (PoE): Yes | Networking standards: IEEE 802.3at | Operating relative humidity (H-H): 10 - 90% | Storage temperature (T-T): -10 - 60 °C | Cables included: AC | Width: 200 mm | Networking standards: IEEE 802.3ab | Operating temperature (T-T): 0 - 45 °C | Networking standards: IEEE 802.3x | Power source: AC | Weight: 3 kg | LED indicators: Yes | Form factor: 2U | Wall mountable: Yes | Total Power over Ethernet (PoE) budget: 240 W | Rate limiting: Yes | Built-in processor: Yes | Switch layer: L2+ | Power supply included: Yes | IGMP snooping: Yes | SSH/SSL support: Yes | Depth: 440 mm | DHCP features: DHCP relay | Rack mounting: Yes | DHCP features: DHCP server | Multicast support: Yes | VLAN support: Yes | Height: 44 mm | Switching capacity: 40 Gbit/s | Packet buffer memory: 4.1 MB | Port mirroring: Yes | 10G support: Yes | Basic switching RJ-45 Ethernet ports type: Gigabit Ethernet (10/100/1000) | Basic switching RJ-45 Ethernet ports quantity: 16 | Switch type: Managed | Product colour: Black | Ethernet LAN data rates: 1000 Mbit/s | Networking standards: IEEE 802.3u | Networking standards: IEEE 802.3af | Networking standards: IEEE 802.3 | Web-based management: Yes | MAC address filtering: Yes