Modem provides high-speed wireless Ethernet
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Westermo Data Communications product story
Edited by the Engineeringtalk editorial team
Jan 9, 2007
Westermo Data Communications has expanded its range of wireless products with the release of an industrial Wi-Fi 2.4GHz licence-free wireless Ethernet modem.
Westermo Data Communications has expanded its range of wireless products with the release of an industrial Wi-Fi (802.11b compliant) 2.4GHz licence-free wireless Ethernet modem.
Capable of transmitting data up to 11Mbit/s over distances of 1km, the RM-240 is a reliable and secure stand-alone module that provides high-speed wireless Ethernet connectivity across a broad range of applications in the utilities, process control and manufacturing industries.
Designed and built to provide wireless links between serial and Ethernet devices in demanding industrial and municipal systems applications, the RM-240 can connect to a range of devices such as PLCs, HMIs, DCS, data acquisition, video and industrial PCs.
The RM-240 is suitable for both long and short-range applications.
The unit has a line of sight range of 1km (100mW) with suitable antenna.
Dual SMA coaxial antenna connectors allow for antenna diversity.
A repeater function increases the wireless range even further.
A high RF output (100mW) and superior receiver sensitivity gives excellent penetration and reliable data transfer in congested industrial environments, through buildings, factory wall and even steelwork.
The data transfer is secured using military grade 128bit AES encryption, plus additional commercial grade WEP encryption.
A firewall offers further protection with message filtering at the MAC address level.
The RM-240 has an RJ45 Ethernet port (10/100 BaseT) as well as two serial ports (RS232 and RS485) and onboard I/O for local and remote link status, or external status transfer.
The unit is extremely easy to use with configuration and diagnostics done via a web browser and accessible via the wireless link.
The unit can be configured as an access point, client/station, a bridge, repeater or a router.
The RM-240 can be used in operating temperatures of -35 to +65C and in humidity of 99%.
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