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Wireless Ethernet gateway provides high-speed GSM links

01 December, 2005

Wireless Ethernet gateway provides high-speed GSM links

Digi International claims to have produced the first commercially available Ethernet-to-wireless gateway that can provide high-speed wireless GSM (Global System for Mobile communications) connections for remote sites. The Digi Connect WAN GSM offers an alternative to landline data connections, using the high-speed GSM-based GPRS (General Packet Radio Service) phone system for backup connections.

"We are making it easy to connect previously hard-to-reach remote sites and their devices, as well as providing cost-effective backup device network connectivity," says Frederic Liu, Digi`s European sales director.

The gateway creates a diverse WAN (wide area network) connection so that if primary wired connections are not available, critical data continues to flow via the wireless link. As well as providing cellular modem communications, the gateway also provides local intelligence with functions such as network routing, persistent connections, a firewall and a secure remote management software package.

The gateway is also claimed to be the first of its type to support "Edge" technology - an enhanced version of GPRS used in the US. It can be used in different countries and is expected to be particularly attractive in developing countries which are skipping wired networks and going straight to cellular communications.

Digi has also released a device which it describes as the industry`s first serial-to-wireless GSM Edge gateway that will connect remote serial devices via high-speed wireless GSM networks. The Digi Connect RG GSM allows devices with serial ports, such as PLCs, to communicate at speeds of up to 135 kb/s.

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