ODYON PRO hand-held transmitter, 4-channel The ODYON PRO radio series is the ideal solution for all radio control tasks. It operates in the 868.5 MHz frequency band with low interference and reliable protocol management thanks to its transmission characteristics. Each hand-held transmitter is coded with a consecutive serial number and therefore offers the best possible protection against tampering. https://elecena.pl/product/21019281/56502-handheld-transmitter-4-channel 2022-06-17 https://elecena.pl/product/21019281/56502-handheld-transmitter-4-channel 2023-04-02