On the Use of LoRaWAN for Indoor Industrial IoT Applications

Table 2

Characteristics of LoRa spreading factors.

SF	Required SNR	Data rate	TX time for 50 B
7	−7.5 dB	5.47 Kbps	99.58 ms
8	−10 dB	3.13 Kbps	178.69 ms
9	−12.5 dB	1.76 Kbps	336.90 ms
10	−15 dB	0.98 Kbps	632.83 ms
11	−17.5 dB	0.44 Kbps	1183.74 ms
12	−20 dB	0.25 Kbps	2203.6 ms