Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13638-019-1502-5/MediaObjects/13638_2019_1502_Fig1_HTML.png)
A visual overview of the available frequency bands for SRDs in the 863 to 870 MHz range. The maximum transmission power (in mW) and maximum duty cycle (in %) are mentioned for each band
A visual overview of the available frequency bands for SRDs in the 863 to 870 MHz range. The maximum transmission power (in mW) and maximum duty cycle (in %) are mentioned for each band