Description
The Advantech SmartFlex SR310 (BB-SR31010420-7SWH) is a rugged industrial 4G LTE cellular router designed for secure, always-on connectivity in mission-critical IoT and industrial applications. Built on a flexible modular architecture, it supports global LTE Cat.4 connectivity with automatic failover via dual SIM slots, ensuring reliable communications even in remote or harsh environments.
Powered by a Linux-based operating system, the SmartFlex SR310 enables advanced routing, VPN security, and edge intelligence while allowing customization through user applications. Its industrial-grade design, wide operating temperature range, and DIN-rail mounting make it ideal for factory automation, utilities, transportation, kiosks, surveillance, and smart infrastructure deployments.
| Specification | Details |
|---|---|
| Brand | Advantech |
| Product Family | SmartFlex SR310 |
| SKU | BB-SR31010420-7SWH |
| Device Type | Industrial Cellular Router |
| Cellular Technology | 4G LTE Cat.4 with 3G fallback |
| Maximum Throughput | Up to 150 Mbps download / 50 Mbps upload |
| SIM Slots | Dual SIM for redundancy and failover |
| Ethernet Ports | Multiple 10/100 Mbps Ethernet ports |
| I/O Interfaces | Digital inputs and digital output |
| Serial Interfaces | Industrial RS-232 / RS-422 / RS-485 support |
| GNSS | GPS, GLONASS, Galileo, BeiDou support |
| Operating System | Linux-based industrial OS |
| VPN & Security | IPsec, OpenVPN, WireGuard, firewall, encryption |
| Management | Web-based management, remote monitoring |
| Power Input | Wide-range DC input suitable for industrial systems |
| Mounting | DIN-rail |
| Operating Temperature | Industrial wide temperature range |
| Enclosure | Industrial-grade housing |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
