The present invention relates, among other things, to a route-side transmitting device, in particular balise (100) for sending a transmission signal (s1), the a vehicle passing through the transmitting device (300), in particular rail vehicle, allows a localization.According to the invention, it is provided that the transmitting device is designed in such a way that it comprises a first frequency band and at least a second, from the first different frequency band in each case a transmission signal (s1, s2) that allows a localization.
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