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WiFi module includes lightning fast boot up-connection feature

Tue, 04/05/2011 - 11:44am

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iWEM-1001 seriesThe iWEM-1001 series is an ultra low power consumption WiFi module with lightening fast boot-up/connection feature designed for industrial application. It is the key product to complete last mile M2M wireless connectivity.

iWEM-1001 series WiFi modules are fully integrated WiFi solutions in a compact IC-style SMT packaging. The module allows engineers to make any product having WiFi connectivity without RF experience and without months of hardware as well as software development time. The only hardware requirement for the host system to add WiFi connectivity is a simple 3-wire UART interface that is the common interface most micro-controllers have.

The iWEM-1001 has been designed from inception to maximize battery life and achieves ultra low-power consumption. The power conservation architecture operates in two modes: an active mode and a sleep mode. The active mode consumes 30-200mA depending on TX data density. The sleep mode consumes less 0.5mA. The user can maximize the battery life by keeping the iWEM-1000 in sleep mode most of time and only waking it up when needed.

Features

•Wi-Fi, 802.11b/g PHY/MAC at up to 54Mbps
•Interface to your favorite microcontroller using only 3 wires
•Flexible antenna choice: Embedded Chip, UFL and SMA
•General sensor interface for monitoring push buttons, temperature, motion, and acceleration
•11 GPIOs (GPIO 2-9, and 12-14) for general use
•Easy battery operation. On-chip power regulators and power management circuits
•Pre-installed Atech WiFi Thin-Client application firmware provides complete networking functionality
•Infrastructure and Ad-Hoc mode support
•Open, WEP-40, WEP-128, WPA-PSK, WPA2-PSK Security TCP/IP, DHCP, UDP, DNS, ARP, ICMP
•Simple ASCii Command set to configure the module
•Over the air TFTP firmware upgrade
•Sleep mode support


Applications

•Industrial and Home Automation
•Wireless Sensing/Control, Wireless Smart Meter
•Cable replacement
•Asset Tracking
•Health and Fitness Monitoring
•MCU interface connectivity
•Security
•Battery operated devices
•Smart Power Grid
•“Green industry”

WIRELESS LAN

Standards

802.11b/g

RF Modulation

DSSS, OFDM

Operating Channels

1-14 (Central frequency)

Security

WEP, WPA-PSK, WPA2-PSK

Transmission Rates

802.11b: 1, 2, 5.5, 11Mbps
802.11g: 6, 12, 24, 36, 54Mbps

TX Transmit Power

802.11b: 14dbm
802.11g: 12dbm

RX Sensitivity

-85dBm

 PROTOCOL SUPPORT

Network Protocols

TCP/IP, DHCP, UDP, DNS, ARP, ICMP

 INTERFACE

Antenna

Embedded Chip antenna or antenna connector

Digital Inputs/Output

11 GPIOs, Sensor Interface

System Status Indicators

GPIO 12 for TCP connection
GPIO 13 for WiFi AP association

Connectors for External Antenna

UFL or SMA connector

Console / Data Port

UART, 2400 to 115200baud
Escape Characters " +++ " to get in console mode

 POWER REQUIREMENTS

Input Voltage

2.4 to 3.7VDC

Power Current

Active: 30mA to 200mA
Sleep: < 0.5mA

 PHYSICAL CHARACTERISTICS

Package

Stamp type SMT package

Dimensions

32 x 19.5x 2.5 mm (iWEM-1000)
32 x 19.5x 6.3 mm (iWEM-1001)
32 x 19.5x 3.75 mm (iWEM-1002)

Weight

5g

 ENVIRONMENTAL LIMITS

Operating Temperature

-30? ~ 75?

Storage Temperature

-40? ~ 85?

Ambient Relative Humidity

0 to 95%; non-condensing

 REGULATORY APPROVALS

Safety Regulation

CE/FCC

 WARRANTY

Warranty Period

12 months

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