802.11
B
WLAN
TO
RS232 M
ODULE
S103
Features
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Programmable baud rate (9600, 38400, 57600,
115200 bps)
Full-duplex (serial data in / data out)
Hardware flow control
Provide 4K byte buffer
Supports full mobility and seamless roaming from
cell to cell
Firmware upgrade through console port
Easy set up via console or web configuration
Two status-pins for showing connection status
(connecting, connected, disconnected, command)
Support Virtual Com driver and device-search utility
Link to WLAN Access Point (referred as
infrastructure mode)
Link to another WLAN station (referred as “Ad-Hoc”
mode)
Applications
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Remote Control and Wire Replacement in Industrial Systems -Wireless sensor networks
Factory and Home Automation and Control - Heating and cooling, Utilities, Energy management,
Security, Lighting
Temperature and condition sensing, Assembly line management
HID (Human Interface Devices) -Keyboards, Mice
Home Gateways - Set-top boxes, Entertainment remotes
Remote Measuring and Monitoring
Security and Alarm System
Public Utility Telemetry
Vending and Ticketing
General M2M Application
This miniature WLAN to RS232 module provides a cost effective, high performance Radio data link,
between devices over a WLAN network. The S103 is compliant with the 802.11b protocol standard and
can operate in Ad-Hoc or infrastructure mode, supporting 64/128-bits WEP security.
The modules are very simple to operate and offer low current consumption, allowing for extended battery
life when used in mobile applications. Data can be supplied directly to or from a microcontroller, thus
keeping the component count down and ensuring a low hardware cost.
Part Numbering
Part Number
S103
Description
WLAN to RS232 level, 12 pin header, w/ on board antenna, w/o LED
DS-S103-1 April 06
©2006 Reg. No. 227 4001, England
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