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Table 4 An overview of the recently added frequency bands for SRDs in the 874 to 876 MHz and 915 to 921 MHz range [32]

From: Impact of EU duty cycle and transmission power limitations for sub-GHz LPWAN SRDs: an overview and future challenges

Nr. Start freq. (MHz) End freq. (MHz) Bandwidth (MHz) Category Max TX power (mW) (e.r.p.) Duty cycle
1 874 874.4 0.4 Non-specific short-range devices 500 Polite access, and 10% (access point) or 2.5% (other devices)
2 917.4 919.4 2 Wideband data 25 Polite access, and 10% (access point) or 2.8% (other devices)
3 916.1 918.9 2.8 RFID 4000 Polite access only, no duty cycle
4 917.3 918.9 1.6 Non-specific short-range devices 500 Polite access, and 10% (access point) or 2.5% (other devices)
5 917.4 919.4 2 Non-specific short-range devices 25 Polite access and 1%