PRLog - Jan. 28, 2011 - HERTFORD, U.K. -- WLAN solutions have become an excellent choice for train-to-ground communication networks because they offer wider coverage, higher throughput, and more bandwidth. The industrial-grade AWK series to be compliant with IEEE 802.11a/b/g/
The New generation AWK-6222 and AWK-5222 feature dual independent RF modules with 2.4 or 5 GHz dual-band operation to enhance redundancy and frequency range. They can be configured in AP-client connection mode or redundant wireless connection mode to provide application flexibility. This reliable wireless LAN link gives the railway industry a reliable and real-time data communications solution for flexible deployment on moving trains to maximize overall passenger safety. The AWK-6222 outdoor dual-RF wireless AP/Bridge/Client provides a flexible solution for industrial applications in a critical environment. The AWK-6222 is rated to operate at temperatures ranging from -40 to 75°C, and its dust-tight and weatherproof design is IP68-rated, allowing you to extend existing wired networks to outdoor locations. With two independent RF modules, the AWK-6222 supports a greater variety of wireless configurations and applications. It can also increase the reliability of an entire wireless network by enabling redundant wireless connections. The AWK-6222 has two redundant DC power inputs to increase the reliability of the power supply, and can be powered via PoE..
The new AWK-3131 and AWK-4131 devices are both 3-in-1 industrial wireless AP/Bridge/Client products that will support the 802.11n standard with a net data throughput of up to 120 Mbps, and wireless communications in the 40 GHz spectrum. This 802.11n solution not only extends the wireless coverage range, but also achieves real-time data transmissions for critical tasks such as VoIP communications, video streaming, and high density data transfer in the rail industry. the AWK-3121 Access-Point/
Railway wireless networks must offer mobility, deployment flexibility, and security for expansion and migration, and be tough enough to provide continuous, reliable, long-standing operations between the ground and the moving train. With increased reliability and bandwidth, WLAN is also tapped to support on-board video surveillance, passenger-related information systems, and train control. These networks allow rail operators to share real-time information between trains, the operating control center (OCC), and stations to provide immediate status updates and emergency controls
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