W406 Product Features
The W406 embedded Linux or WinCE computer uses the Cirrus Logic EP9302 32-bit ARM9 processor and features two software selectable RS-232/422/485 ports, 1 Ethernet port, and quad-band GSM/GPRS/EDGE 900/1800/850/1900 MHz for cellular communication. It also comes with an SD socket, USB host, and 4 digital input and 4 digital output channels, making it the ideal computer for a variety of industrial applications. With wireless capability, you can extend the reach of your network system and build a peer-to-peer, distributed, wireless communication embedded system to make traditional wired devices wireless, and provide higher mobility and greater intelligence.
Integrated Communication
Built-in GSM/GPRS/EDGE cellular communication
GSM 850/900/1800/1900 MHz supported
GPRS/EDGE Class 12 supported
SMS tunnel mode provided
10/100M Ethernet for network redundancy
2 software selectable RS-232/422/485 serial ports (50 bps to 921.6 Kbps, non-standard baudrates supported)
4 DI and 4 DO channels
SIM authentication allows customers to unlock and authenticate the SIM card
SMS time synchronization supported
Flexible Installation
Din-Rail and Wall mount installation
WinCE 6.0 or Linux 2.6 platform
High Performance
Cirrus Logic EP9302 32-bit ARM9 processor
32 MB RAM onboard (64 MB maximum)
16 MB Flash built in (32 MB maximum)
USB 2.0 hosts for mass storage devices
SD socket for storage expansion
High Reliability
Robust design: fanless, cableless, no hard disk, and low power consumption
Cellular reset supported
Suitable for a variety of applications
Auto-connect function can automatically grab a user's preset parameters
Supports reconnect function to provide a permanent connection
Step-by-step troubleshooting diagnosis
-40 to 70°C wide operating temperature model available
  Typical Application
  In this real case scenario, the customer needed a way to connect an I/O device to a UC-7112-LX embedded computer and GPRS modem. Now, thanks to the W406 wireless embedded computer—which features GSM/GPRS/EDGE, 4+4 DI/DO and 2 serial ports—all three pieces of equipment can be replaced by a single device.

Moxa's W406 wireless embedded computer with GSM/GPRS/EDGE is designed for remote monitoring, control, and management. The wireless and SMS features are perfect for remote sites or long range communication. For example, rainfall monitoring systems are often spread out and difficult to access and control. As a result, it is necessary to set up control and monitoring devices in several remote and unmanned areas to measure volume, humidity, and environmental parameters in rainfall monitoring applications. These devices are difficult to install and maintain due to the inaccessibility of the monitoring sites. Fortunately, the W406 wireless embedded computer features 4+4 DI/DO to collect data from rain gauge meters, and a wireless interface and SMS function for sending data, ensuring reliable data acquisition, storage, and transmission back to the control center. In addition, the W406 can also trigger an alarm system and send SMS warnings to engineers or the control center if an accident occurs.
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