At cars, chip-tuning usually results in a higher power of a motor. Even the new communication module (transceiver) TR72D from IQRF has passed such „chip-tuning“ of RF portion, resulting in a higher max. RF output (up to 12mW). New RF chip - Spirit1, used at TR72D also provides excellent sensitivity and GMSK modulation (Gaussian Minimum Shift Keying) with high resistance to interference. That´s why the new module is able to transfer data at much higher distance than previous types (up to 600m on a free space).
This improvement has one limitation - the new module is usable with applications originally developed for previous types, but it´s not usable in one RF network simultaneously with older types (because of a different modulation).
Basically the new module TR72D offers the same straightforward development of devices with a wireless communication as previous modules. The best idea about differences among particular types will give you the attached table. TR72D is a hot novelty from which we have first engineering samples. Version „DAx“ also contains built-in antenna.
powerful RF transceiver for a wireless communication
built-in proprietary OS
open functionality, application in a C language
max RF output up to 12.5 mW
range in hundreds of meters (up to 600m on a free space)
extra low power consumption
6 I/O pins
supports MESH networks, IQMESH implemented in OS
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Competition with the following question has been published here:
On which frequencies is the TR72D module able to communicate?
The correct answer was: 868/916 MHz
We have drawn the following winners:
Pavol Majzel [SK]
Congratulations to winners. We´ll inform them by e-mail.
Date of publishing 04/02/2015. When you issue article on your website, please give its source: https://www.soselectronic.com/articles/iqrf/iqrf-iqrf-module-tr72d-communicates-at-up-to-600m-distance-1688
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