The Grandstream HT812 is a compact analog telephone adapter (ATA) with two FXS ports and built-in NAT router functionality. It allows analog phones and fax machines to connect seamlessly to modern SIP-based VoIP systems, offering reliable performance, strong security, and easy remote management — ideal for home offices and small businesses.
78.59€
Specifications:
Ports: 1 × Gigabit WAN port, 2 × Gigabit WAN/LAN ports, 2 × Gigabit LAN ports
USB Port: 1 × USB 2.0 for 4G/3G modem backup
Throughput: Up to 945 Mbps NAT upload/download | 1.8 Gbps bidirectional NAT
VPN Support: Up to 20 IPSec tunnels | 16 PPTP / L2TP / OpenVPN tunnels
Memory: 128MB Flash | 256MB RAM
Security: SPI firewall, DoS protection, IP/MAC/URL filtering
Build: Fanless steel enclosure | 4kV surge protection
Dimensions: 158 × 101 × 25 mm
Management: Omada SDN platform support (cloud or standalone)
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