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mycarda The module is perfect and great value for money but be careful of the antenna. The one supplied to me was resonant at 500MHz and the VSWR at 433MHz was about 15 making it almost useless. There are lots of 433MHz antennas you can build easily so I intend to desolder the SMA connector and use it with a home-built antenna and throw the rest of the supplied antenna away.

mycarda 18/12/2020
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