SmartFlex
1. Basic Information
SmartFlex is LTE cellular router designed for communication across cellular networks us-
ing LTE, HSPA+, UMTS, EDGE or GPRS technology. Data transfer speed is up to 100 Mbps
(download) and up to 50 Mbps (upload). The router is an ideal solution for the wireless con-
nection of traffic and secur ity camera systems, individual computers, LANs, automatic teller
machines (ATM), other self-service terminals, and many other devices.
SmartFlex SR300 version of the router (LAN) is an ideal device for the realization of a
secure connection of two local area networks (LANs). Interconnection is carried out using two
ETHERNET 10/100 inter faces and secure tunnel (IPsec, OpenVPN, L2TP). The other equally
important ways to use this router is to connect any device with RS232, RS485 or RS422 serial
interface to the local network (LAN). For this purpose, SmartFlex SR300 router is equipped
with two ETHERNET 10/100 ports and other interfaces based on the version of the router
chosen by the user.
1.1 Standard Equipment
Standard features include the LTE cellular module (with three antenna connectors – for
main, diversity and GPS antenna), two Ethernet 10/100 ports, one USB 2.0 Host port, two
binary inputs, one output (I/O connector), and two SIM card readers for 3 V and 1.8 V SIM
cards. The router also has microSD memory card reader that increases the router’s storage
space by up to 64 GB when using SDXC card or up to 32 GB when using SDHC cards.
1.2 Optional Features
If desired, the router can be configured with these optional interfaces. Note that routers
cannot be retrofitted with these interfaces feature at some point in the future. See the router’s
technical manual for details on versions and possible combinations of interfaces.
• Version with the WiFi module. WiFi antenna connector is on the front panel.
• Version with three more Ethernet ports (switched).
• Version with RS232 interface.
• Version with combination of galvanically separated RS232 and RS485 interfaces.
• Version with combination of galvanically separated RS232, RS485 and Ethernet with
stronger isolation.
• Version with SmartMesh IP wireless interface (DUST technology) – the router can serve
as SmartMesh IP gateway for DUST nodes (motes).
• The router can be provided in either plastic or metal casing, depending upon the cus-
tomer’s requirements.
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