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. 2020 Nov 9;4(11):1–4. doi: 10.1109/LSENS.2020.3036486

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Fig. 3. — (a) Example of the received signal strength indicator (RSSI) of the reader by varying the distance from the tag. RSSI considerably drops for d > 25 cm, thus, making the communication unstable. (b) Temperature profiles (RFID sensor and reference thermocouple probe) measured for 35 min in case of two positions of the arm (relaxed down and 45° tilted).