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EMBEDDED WIRELESS COMMUNICATION MODULES

The XE900M second-generation Smart Transceiver and the XE924M Base Access Point add a number of performance and feature enhancements to their predecessors. The XE900M and XE924M provide a low-cost and convenient solution to collecting data wirelessly from up to 128 discrete nodes located within a 150’ (indoor) radius.

The XE900M Smart Transceiver combines a microcontroller and 900-MHz transceiver in a miniature, dual-in-line package. It can communicate with another Smart Transceiver or with the XE924M Base Access Point to create a data collection network. The count-off function has been enhanced to enable the network hub to quickly check the status of the up to 128 network nodes.

The XE900M is also capabable of communicating using up to 126 carrier frequencies within the 900-MHz ISM band. The availability of multiple channels reduces interference problems by permitting a change in the communication channel if noise levels affect data throughput. Multiple frequency channels also permit the network to include more than one Base Access Point. Multiple Base Access Points operating on different frequencies can extend both the distance and number of nodes within the network. The Sensor-On-Air function allows two analog inputs and four digital I/O lines to be monitored and/or manipulated by the Smart Transceiver’s communication controller. Nodes can be easily added to the Base Access network without any additional hardware installation other than the installation of an XE900M Smart Transceiver into the new equipment.

The XE924M Base Access Point combines a 900-MHz transceiver and a communication controller housed in a miniature, dual-in-line package. The XE924M eliminates dial-up hardware redundancy, and therefore reduces both the initial installation cost and continuing operating costs. Agency approval is simplified because the integration modem includes transferable Part 68 Approval and is a UL-recognized component. The 900-MHz transceiver complies with FCC Part 15 rules.

The unit price of the XE900M Smart Transceiver is $39, and the XE924M Base Access Point is $59 in OEM volumes.

Xecom, Inc.
(408) 942-2200
www.xecom.com

   
Published August 2003