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[W-MBUS] Which module should I use for Brazil and other countries outside Europe using 433 MHz?

RC1140-MBUS3 and RC1140-MPC1 is made for compliance with Brazilian regulations. It can also be used in other countries where 433 MHz is a license free band, such as in the Middle East, Australia/NZ, and some African countries.

Last Update: August 8, 2017

December 13, 2016 1782 Wireless M-Bus Q&A

Related Knowledge Base Posts -

[W-MBUS] “The configuration process with bus-CCT v1.02 will work fine. The problem is that they can’t send and receive data The T1 mode is their priority – RF_Channel = 12 – RF_Data_rate = 3 – MBUS Mode = 1 A test with a spectrum analyser will show no transmission. A test in reception mode does not show any reception. “
[W-MBUS] What kind of CSMA algorithm your module uses? We are worried about compatibility with a 802.15.4 network which should coexist with your module (MBUS3). Will the module detect traffic on the same frequency, and avoid sending at the same time when other two devices communicate? We are not sure about vice-versa also, and we use Atmel at86212 CHIP, on 868 Mhz. (868.3 Mhz, BPSK 20 kbps)
[W-MBUS] “Regarding the modulation, I have a question about setting the modulation method. In my measurements , I changed the RF frequency with the volatile ‘C’ command. There is no volatile command to change the modulation method, so I left it at default. Then I find that the message transmission time at RF is the same for all channels, suggesting that the modulation scheme is the same. Is this the case, and is the default modulation valid for all channels? I need not be compatible with strict EN 13757. “

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