802.11b/g Wireless LAN Module and Device Server
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Laird Technologies Web site: www.LairdTech.com Item # WISMC01BI, 802.11b/g Wireless LAN Module and Device Server 802.11b/g Wireless LAN Module and Device Server WISMC01 Wireless Device TCP/IP (BISM II Pin Compatible) The Laird Technologies 802.11b/g TCP/IP Wireless LAN Module is a fully integrated and qualified wireless device server, designed to make it simple to embed 802.11 connectivity. Unlike other wireless modules all of the necessary drivers, protocol stack, security algorithms and antenna are integrated. The module also includes an interpreter that can run scripts, providing a complete wireless processing solution. It enables you to add wireless internet connectivity to almost any device with a serial port. The module is designed for lowest cost of integration and ownership. It is ideal for enabling M2M applications. The module is a dual processor design, dedicating one processor to the 802.11b/g baseband with a second powerful ARM7 processor, with 16MB of SRAM and 64MB of flash memory running the wireless drivers, TCP/IP stack, web server and UW Script interpreter. Connection to the host device is via a high speed 921,600 bps UART, with an additional twelve GPIO lines and two 10 bit ADCs. The interpreter allows complex scripts to be run, allowing the WISM module to operate with zero host loading. It means it is possible to use the module to wirelessly enable "dumb" sensors or UART ports. The UWScripting wireless language developed by Laird Technologies is simple to use, but provides a rich programming environment. Derived from BASIC, it allows powerful scripts to be written that combine WLAN link management with TCP/IP socket control and machine interaction. A wide range of example scripts are available which allow new applications to be rapidly developed. Scripts are downloaded into the module via the UART and then either run under control from the host processor or autonomously at power on. The use of a scripting language allows the module to function in a wide variety of applications, from simple cable replacement, to a more complex communications co-processor in which the module takes over the management of the communications interface, or as a completely self-contained M2M solution in which the module gathers information and reports it without host intervention. An HTTP server is built into the module which allows user defined web pages to be served using dynamic web page content supplied from a script. Information for the web page can be taken from the UART stream, any of the GPIO or ADC pins, or variables within the script. The use of scripts allows these to be pre-processed before being displayed on the web page. Similarly, information can be sent to the script running on the module using HTTP POST commands. This allows flexible user interaction with a module via a standard web browser. With the addition of an appropriate script it allows the implementation of complete web enabled controllers and monitoring devices. The twelve GPIO and two analogue input lines can be configured using scripts to provide control or monitoring of simple devices such as switches or LEDs without requiring any external processing. Both the GPIO and ADC lines can be accessed using scripts over either the wired host UART connection, or remotely over the Wireless LAN connection. The module includes a high sensitivity, high gain antenna which provides excellent range. Typical open field performance yields an operating range of over 100 meters. A second 50 Ohm U.FL connection is provided for an external antenna. This can be used in place of the internal antenna, or in conjunction with the internal antenna to implement antenna diversity for improved receive performance. Support is provided for low power modes that make the Wireless LAN module particularly applicable to battery powered installations. It has been designed to ensure the best co-existence with other devices operating within the same frequency spectrum and has hardware support designed into the module for 2 and 3-wire Bluetooth co-existence schemes. Direct connectivity to the Laird Technologies BISM Bluetooth module is supported, as well as to other enabled Bluetooth devices. The Wireless LAN module is supplied in a small pcb form factor (22.8 mm x 33.8 mm x 7.6 mm), that connects to a main pcb using a 40 way Hirose connector which is pin compatible with the Laird Technologies Bluetooth Intelligent Serial Module BISMII. The module is Lead-free and RoHS compliant and supports an industrial operational temperature range of -40ºC to +85ºC. The module has FCC modular certification, Industry Canada certification and CE approval. These approvals allow users to simplify or bypass RF regulatory testing, enhancing time to market and reducing approvals time and cost. · SPECIFICATIONS · WIRELESS SPECIFICATION · ANTENNA MODES · UART INTERFACE · GENERAL PURPOSE INTERFACE · PROTOCOLS · WEB SERVER · POWER CONSUMPTION · SUPPLY VOLTAGE · EMBEDDED WIRELESS PROCESSOR SYSTEM · COEXISTENCE / COMPATIBILITY · PHYSICAL · ENVIRONMENTAL · APPROVALS · MISCELLANEOUS · DEVELOPMENT TOOLS · APPLICATIONS · FEATURES · BENEFITS 6/22/2011 | Page 1 of 6

SPECIFICATIONS Manufacturer Laird Technologies Description 802.11 Wireless LAN module UW TCP/IP BISM size WIRELESS SPECIFICATION Standards Supported IEEE 802.11b, IEEE 802.11g Frequency 2.412 to 2.484 GHz Channels Europe: 13 channels France (EIRP > 10 mW outdoors): 4 channels Japan: 14 channels Programmable selection of region USA: 11 channels Max. Transmit Power 802.11b: +15 dBm at antenna connector 802.11b: +17 dBmi from integrated antenna 802.11g: +13 dBm at antenna connector 802.11g: +15 dBmi from integrated antenna Receive Sensitivity 802.11 b: -91 dBm at 1 Mbps 802.11 b: -84 dBm at 11...

Serial Interface RS-232 bi-directional for commands and data 16550 compatible Configurable Baud Rate 9600 to 921600 bps Bits 7 8 Parity even none Odd Stop Bits 1 2 Default Serial Parameters 115200,n,8,1 CMOS Levels 3.0 V Modem Control 1 CTS DCD DSR DTR RI RTS 1 DSR, DTR, RI and DCD are configurable either as GPIO or as modem control lines. GENERAL PURPOSE INTERFACE Input/Output 12 general purpose I/O pins, 3.0 V CMOS (DSR, DTR, RI and DCD are configurable either as GPIO or as modem control lines.) ADC 2 ADC inputs. 10 bit, 3.0 V max Security Open Connection WEP encryption 64 and 128 bit...