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RN-121G

Description
wifi/802.11 modules and development tools wifly GX 802.11b/g thru-hole uart&spi
CategoryModule/solution   
File Size1MB,13 Pages
ManufacturerRoving Networks
Environmental Compliance
Download Datasheet View All

RN-121G Overview

wifi/802.11 modules and development tools wifly GX 802.11b/g thru-hole uart&spi

RN-121, RN-122, RN-123 & RN-125
www.rovingnetworks.com
rn-121-ds 5/24/2010
“WiFly GX” 802.11G Super Module
Features
802.11b/g PHY/MAC at up to 54Mbps
Qualified 2.4GHz IEEE 802.11b/g transceiver
Wi-Fi Alliance certified for WPA2-PSK
Ultra-low power - 4uA sleep, 40mA Rx,
210mA Tx (max)
Multiple sleep modes, wake up timer or signal
Small form factor 28mm x 40.8mm
UART, RS-232 ,RS-485 or SPI hardware
interfaces
On board ceramic chip antenna and U.FL
connector for external antenna
15 PIOs and 8 sensor pins for general use
Real-time clock for wakeup and time stamps
Accepts wide voltage range input 3.3V –
12VDC (RN-121 and RN-122)
Industrial voltage range input 6V – 48VDC
(RN-123 and RN-125)
Switched power supply for external sensors
Supports Adhoc and infrastructure networking
FCC / CE / ICS certified and RoHS compliant.
High speed UART up to 2Mbit/s (RN-122)
High speed UART 64 bytes FIFO (RN-122)
Onboard 14 bit temperature sensor (RN-121-
TEMP)
Onboard 12 bit humidity sensor (RN-121-
TEMP)
Description
The WiFly GX module is a stand alone, embedded
wireless LAN/WAN access device. Because of its
small form factor and extremely low power
consumption, the RN-121G is perfect for mobile
wireless applications such as asset monitoring, GPS
tracking and portable devices. The WiFly GX
simplifies the integration and development of your
application by including an on board TCP/IP stack and
networking application programs such as telnet and
ftp. The hardware requires only four connections
(PWR, TX, RX, GND) to create a simple wireless data
connection. Additionally, continuously sampled analog
inputs transmit audio, temperature, motion, or
acceleration data without requiring additional hardware
in your end application. The WiFly GX module uses a
straight forward ASCII command set for configuration
and programming. Once the WiFly GX is set up it can
automatically associated and authenticate with a
network, making your device accessible worldwide.
The WiFly GX includes a high-speed UART and SPI
interfaces that allow high-speed data transfer. The
WiFly GX module is a complete wireless solution
Applications
Wireless thermostats
RS232/RS485 cable replacement
Remote equipment monitoring
Scanners, GPS and measurement systems
Industrial sensor and control
Security
Home Automation
Medical devices
809 University Avenue
Los Gatos, CA 95032
Tel (408) 395-6539
info@RovingNetworks.com
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