End Device Module
The Weightless™ End Device Module (EDM) is a low power long range module with a full Weightless™ protocol stack including the AT command interface. The AT command interface offers rapid time to market. The module is an easy to use approach to bidirectional wireless communication. The End Device Module complies with the open, license-free Weightless™ protocol specifications. Build your own field devices or contact us for customized devices built around the EDM.
General
/ On-board Weightlessâ„¢ protocol stack
/ AT command interface over UART
/ Compact form factor: 28 x 13mm
/ Environmentally friendly, RoHS compliant
/ Giteki, FCC, CE compliant
/ Device Firmware Upgrade (DFU) over UART
/ ARM® Cortex®-M3 @40MHz running FreeRTOS
/ 256kB Flash / 32kB RAM
Operational
/ Single operating voltage: 2.1V to 3.6V (3.3V typical)
/ Temperature range: Operating: -40°C to 85°C
/ Low-power consumption
/ Programmable data rate from 625bps to 100kbps
RF/Analog
Features
/ Low power long range transceiver operating in the 868/915/923MHz
frequency bands
/ High receiver sensitivity: -120dBm @ 6.25kbps
/ Transmit power: Adjustable up to 13dBm, optional PA version
with output power up to 26dBm
/ PSK/GMSK modulation
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