Description
Fortinet FortiExtender 511G (FEX-511G) — Product Description
Fortinet FortiExtender 511G is an advanced indoor 5G/LTE broadband gateway designed to deliver secure, high-performance network connectivity for enterprise branches, micro-sites, retail locations, healthcare facilities, kiosks, and remote deployments. Fully integrated with Fortinet Secure SD-WAN and the Fortinet Security Fabric, the 511G provides resilient wireless WAN services with intelligent failover, versatile WAN interfaces, and centralized management in FortiOS.
With enhanced 5G and LTE capabilities plus flexible wired and cellular uplinks, the 511G extends secure, always-on connectivity to the network edge while delivering simplified deployment and strong network continuity.
Advanced Cellular WAN Connectivity
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5G Sub-6GHz M.2 module (EM9291) with LTE Cat20 fallback, enabling high throughput and low latency connections over cellular networks
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Dual SIM support with smart failover for optimal uptime — automatic switching based on signal strength, link health, or operator policies
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Broad carrier frequency band support for global deployments, including 5G and LTE bands compatible with major carriers worldwide
This makes the 511G ideal as a primary or secondary WAN for remote sites, branch offices, and hybrid WAN environments where broadband reliability is critical.
Flexible Wired & LAN Connectivity
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1× 2.5 GbE WAN port (RJ45) — supports higher-speed wired uplinks where available
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1× Combo SFP + 1 GbE WAN/LAN port — supports fiber or copper connections for hybrid deployments
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3× 1 GbE RJ45 WAN/LAN configurable ports — flexible local connectivity options
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1× USB 2.0 Type-A Port and 1× RJ45 Console Port for management and out-of-band access
These multiple uplink and LAN options allow tailored network designs, whether integrating with existing infrastructure or establishing dedicated links to FortiGate firewalls and local devices.
Fortinet-Native Security & Management
When connected to a FortiGate firewall, the FortiExtender 511G appears as a managed network interface under FortiOS, enabling:
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Centralized policy enforcement
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FortiGuard threat protection and SD-WAN steering
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WAN load balancing and transparent failover
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Application visibility and traffic shaping
It supports advanced WAN resilience mechanisms such as IPsec over LTE/5G, path selection, and session persistence — helping ensure secure uptime across distributed environments.
Resilience & High Availability
The 511G supports:
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Redundant cellular links via dual SIMs
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WAN load balancing between wired and wireless uplinks
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Intelligent failover with link health monitoring
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VxLAN extension for Layer-2 connectivity back to central FortiGate appliances
These capabilities enhance business continuity and maintain secure connectivity even during primary circuit outages.
Deployment Scenarios
FortiExtender 511G is well suited for:
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Distributed enterprise branch broadband
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Retail POS and kiosk connectivity
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Remote healthcare sites
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Temporary or mobile deployments (pop-ups, field offices)
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Failover and backup WAN for on-premise firewalls
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Hybrid WAN with fiber, copper, and cellular uplinks
Hardware Highlights
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Type: Indoor 5G/LTE broadband gateway
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Cellular Module: 5G Sub-6GHz + LTE CAT20 capable
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Wireless: Dual SIM with intelligent cellular switching
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Ports:
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1× 2.5 GbE RJ45 WAN
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1× Combo SFP + 1 GbE WAN/LAN
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3× 1 GbE RJ45 WAN/LAN
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1× USB 2.0 Type-A
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1× RJ45 Console
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Power: PoE (IEEE 802.3at, 25.5 W) or 12 V DC adapter
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Dimensions: ~31 × 228 × 148 mm
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Operating Temp: 0 °C – 40 °C
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Certifications: FCC, CE, UL/CSA, CB
Why Choose the FortiExtender 511G?
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Modern 5G-Ready Broadband Gateway: High-speed cellular connectivity with LTE fallback for improved WAN uptime
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Flexible Wired & Wireless Uplinks: 2.5 GbE, SFP, and multiple WAN/LAN ports for hybrid network designs
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Integrated Security & Management: Managed via FortiOS with FortiGuard and SD-WAN capabilities
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Resilient Connectivity: Dual SIM intelligent failover and WAN path diversity
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Enterprise-Grade Continuity & Redundancy: WAN load balancing, VxLAN extension, and strong uplink flexibility
The FortiExtender 511G is an ideal choice for organisations that need secure, high-availability broadband at the network edge with simplified integration into Fortinet-managed infrastructures.
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