B+B SmartWorx/Advantech 

B+B SmartWorx/Advantech BB-SR31010120 CELLULAR ROUTER CAT4 GLOBAL

Mfg Part Number:  BB-SR31010120  
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Price: $864.06
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Last Updated: Mar 17, 2026
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SmartFlex SR310 cellular router provides secure Internet connectivity for devices and LANs via cellular networks. It provides automatic wireless failover for wired networks, wireless connectivity for devices in remote locations such as industrial PCs, HMIs, traffic controllers, kiosks, meters, cameras, and much more.

SmartFlex serves well also for applications that require video transmitting because of download speed up to 150 Mbps and upload speed up to 50 Mbps.

Modular SmartFlex design can be ordered in many hardware options. Standard hardware configuration always includes 2 Ethernet 10/100 ports with 2 independent LANs/IP addresses - optionally with POE+ PSE or POE PD feature - 1 USB host port, 1 microSD cardholder, 2 SIM card holders for automatic failover to an alternate service provider, 2 binary inputs (I/O), 1 binary output (I/O), and onboard GPS/Glonass receiver.

As an extension to hardware interface options above can be modified by an additional 3× 10/100 ETH board (so totally up to 5 Ethernet ports configured for 3 independent LANs/IP addresses) or combined Ethernet/RS-232/485 board or RS-232/485 board (isolation strength up to 2.5kV). An optional built-in Wi-Fi module also available with industrial-grade operating temperature ranges from -40 to +75 °C.

SmartFlex transfer intelligence at the network edge with a powerful Cortex A8 CPU, 256 MB flash memory, 512 MB RAM, and 128kB M-RAM.

A secure Web interface allows users to configure and manage SmartFlex from remote locations. The SmartFlex supports real-time data encryption and the creation of VPN tunnels using IPsec, OpenVPN, GRE, etc. It supports standard and advanced networking features like DHCP, NAT, NAT-T, DynDNS, NTP, VRRP, control by SMS, and numerous other functions.

With an open Linux platform and the wide possibility of programming customer SW applications in Python, C/C++ or browser-based flow editor Node-RED the SmartFlex offers a real open development platform for Industrial IoT applications. The Advantech existing Router App library (User modules) with apps already developed to enhance specific router functionalities include industrial protocol conversions and support of IoT platforms such as MS Azure, Cumulocity, and others.

SmartFlex is easy to install individually and in mass deployments scenarios too by using a full-featured configuration and monitoring software tool WebAccess/DMP. Safe remote VPN access to customer devices and PCs connected to routers through Internet can be administrated by additional software WebAccess/VPN.

Main Specification
General Information
Manufacturer Advantech Co., Ltd
Manufacturer Part Number BB-SR31010120
Manufacturer Website Address http://www.advantech.com
Brand Name Advantech
Product Line SmartFlex
Product Model SR310
Product Name SmartFlex SR310 Modem/Wireless Router
Product Type Modem/Wireless Router
Technical Information
Wi-Fi Generation Wi-Fi 4
Network Band Dual Band
Processor Type Cortex A8
Standard Memory 512 MB
Maximum Upload Speed 6.25 MB/s
Wireless Specifications
Broadband Transmission Technology Ethernet
Broadband Transmission Technology Cellular
Wireless LAN Standard IEEE 802.11a/b/g/n
ISM Band Yes
UNII Band Yes
ISM Maximum Frequency 2.40 GHz
UNII Maximum Frequency 5 GHz
Cellular Generation 4G
Cellular Network Supported UMTS 1700
Cellular Network Supported LTE 2600
Cellular Network Supported LTE 850
Cellular Network Supported LTE 1800
Cellular Network Supported LTE 900
Cellular Network Supported LTE 800
Cellular Network Supported LTE 2300
Cellular Network Supported LTE 2500
Cellular Network Supported LTE 700
Cellular Network Supported UMTS 900
Cellular Network Supported UMTS 800
Cellular Network Supported UMTS 1900
Cellular Network Supported UMTS 850
Cellular Network Supported LTE 1700
Cellular Network Supported LTE 1900
Cellular Network Supported LTE 2100
Cellular Network Supported UMTS 2100
Cellular Data Connectivity Technology EDGE
Cellular Data Connectivity Technology UMTS
Cellular Data Connectivity Technology LTE
Cellular Data Connectivity Technology HSPA+
Cellular Data Connectivity Technology GPRS
Cellular Data Connectivity Technology LTE Cat 4
Total Wireless Transmission Speed 18.75 MB/s
Encryption Standard WEP
Encryption Standard WPA2
Encryption Standard TKIP
Encryption Standard SHA
Encryption Standard MD5
Encryption Standard DES
Encryption Standard AES
Encryption Standard RSA
Encryption Standard WPA
Encryption Standard 3DES
Firewall Type PAT
Firewall Type NAT
Interfaces/Ports
Total Number of Network Ports 5
Number of Network (RJ-45) Ports 4
USB Yes
PoE (RJ-45) Port No
Number of Broadband (RJ-45) Ports 1
USB Standard USB 2.0
Network & Communication
Ethernet Technology Fast Ethernet
VPN Supported Yes
Multi-SIM Supported Yes
Number of SIM Card Supported 2
SIM Size Supported Mini
Storage
Flash Memory Capacity 512 MB
Storage Media MicroSD
Physical Characteristics
Product Material Metal
Form Factor DIN Rail Mountable
Height 2.2"
Width 4.9"
Depth 3.8"
Weight (Approximate) 13.23 oz
Miscellaneous
Package Contents
  • SmartFlex SR310 Modem/Wireless Router
  • DIN Holder
Certifications & Standards
  • EN 301 511
  • EN 301 908-1
  • EN 301 908-2
  • EN 301 908-13
  • EN 303 413
  • EN 301 893
  • EN 300 328
  • FCC part 22H
  • FCC part 24E
  • FCC part 27
  • FCC part 90R
  • PTCRB
  • ETSI EN 301 489-1
  • ETSI EN 301 489-17
  • ETSI EN 301 489-19
  • ETSI EN 301 489-52
  • EN 55032
  • EN 61000-4-2
  • EN IEC 61000-4-3
  • EN 61000-4-4
  • EN 61000-4-5
  • EN 61000-4-6
  • IEC 61000-6-2
  • IEC 61000-6-3
  • FCC Part 15 Subpart B
  • ICES-003 Issue 6
  • EN IEC 62368-1
  • UL E487720
  • CE
  • TELEC (Japan)
  • UKCA
  • FCC
  • IC
  • AT&T
  • T-mobile
  • Verizon
  • EN 60068-2-64
  • EN 60068-2-27
  • EN 60068-2-1
  • EN 60068-2-2

https://advdownload.advantech.com/productfile/PIS/BB-SR31010120/file/Datasheet_SR310_SmartFlex_18052023_email20230518170656.pdf

Environmental Compliance Registration, Evaluation, Authorization and Restriction of Chemicals (REACH)
Environmental Compliance Restriction of Hazardous Substances (RoHS)
Environmental Compliance Waste Electrical and Electronic Equipment Directive (WEEE)
Environmental Compliance Restriction of Hazardous Substances (RoHS) 3
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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