Insys introduces 2G/3G mobile radio routers
An Insys Microelectronics UK product story
Edited by the Electronicstalk editorial team Nov 23, 2009
Insys Microelectronics has introduced the MLR 2G/3G series of mobile radio routers for large-scale project applications.
These include remote maintenance and control, metering, payment systems and environmental monitoring.
Suitable for industrial environments, the mobile local-area-network (LAN) routers combine the functions of a mobile radio modem, router and switch in one unit, connecting remote Ethernet LANs or single components to the internet via GPRS and UMTS (3G) mobile radio services.
MLR units feature four RJ45 ports, which can directly connect up to four devices or controllers.
MLR routers provide bandwidths similar to DSL; the UMTS/HSDPA data transmission service, for instance, provides transmission rates of up to 3.6Mbit/s, enabling the connection of remote company networks, video monitoring applications or remote access to control networks.
The units also feature a serial interface to connect legacy RS-232 devices.
The mobile LAN router features dial-in and dial-out functionalities; it accepts incoming connections and can independently establish outgoing connections.
If required, the router establishes TCP/IP connections via NAT.
Incoming connection requests are directed to the right local device through port forwarding.
VPN support and an integrated firewall ensure the safety of data connections, with a dial-in authentication and a dial-out filter allowing for authorised connections only.
High-availability connections are achieved with features such as redundant SIM card slots, allowing users to choose between two different network providers.
This allows for the bridging of network failures and ensures maximum availability in border areas without additional roaming costs.
An external redundant modem can be connected to enable back-up communication via another media such as the PSTN telephone network.
MLR supports four 2G and three 3G mobile radio frequencies.
The units measure 155 x 33 x 120mm.
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