User's Guide

10 Chapter 2. Hardware Architecture - SoM module
Spreading Factor Bit rate Range (depends Time on air (ms) 0.1% duty cycle 1% duty cycle
(125kHz Lora) (bps) on conditions) (10 bytes payload) waiting time waiting time
SF7 5470 2 km 56 ms 1 min 6s
SF8 3125 4 km 100 ms 1 min 40s 10s
SF9 1760 6 km 200 ms 3 min 20s 20s
SF10 980 8 km 370 ms 6 min 10s 37s
SF11 440 14 km 740 ms 12 min 20s 1 min 14s
SF12 290 20 km 1400 ms 23 min 20s 2min 20s
Table 2.2: Modules operating frequencies.
Operational Fre-
quency band
Maximum e.r.p
Channel access and
occupation rules
(e.g. Duty cycle or
LBT + AFA)
Band num-
ber from
EC Decision
2013/752/EU
[i.3]
Class 1 sub-
class number
according
Commission
Decision
2000/299/EU
[i.7]
K
863,000 MHz to
865,000 MHz
25 mW e.r.p.
≤ 0,1% duty cycle
or polite spectrum
access
46a 66
L
865,000 MHz to
868,000 MHz
25 mW e.r.p.
Power density:
-4,5 dBm/100
kHz
≤ 1 % duty cycle or
polite spectrum ac-
cess
47 67
M
868,000 MHz to
868,600 MHz
25 mW e.r.p.
≤ 1% duty cycle or
polite spectrum ac-
cess
48 28
N
868,700 MHz to
869,200 MHz
25 mW e.r.p.
≤ 0,1% duty cycle
or polite spectrum
access
50 29
O
869,400 MHz to
869,650 MHz
25 mW e.r.p.
≤ 0,1% duty cycle
or polite spectrum
access
54a 130
P
869,400 MHz to
869,650 MHz
500 mW e.r.p.
≤ 10 % duty cycle
or polite spectrum
access
54b 30
Q
869,700 MHz to
870,000 MHz
5 mW e.r.p. No requirement 56a 31
R
869,700 MHz to
870,000 MHz
25 mW e.r.p.
≤ 1% duty cycle or
polite spectrum ac-
cess
56c 69
Table 2.3: EU wide harmonized national radio interfaces.