Data Sheet

RM1xx LoRa/BLE Modules
Datasheet
https://connectivity.lairdtech.com/wireless-
modules/lorawan-solutions
16
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Table 9: Receive sensitivity vs LoRa data rate
DR
Bit Rate
[Bits/s]
BW
[kHz]
SF
Rx Sensitivity
[dBm]
RM191
8 980 500 12 -126
9 1760 500 11 -125
10 3900 500 10 -122
11 7000 500 9 -119
12 12500 500 8 -116
13 21900 500 7 -113
RM186
0 250 125 12 -134
1 440 125 11 -132
2 980 125 10 -130
3 1760 125 9 -127
4 3125 125 8 -124
5 5470 125 7 -121
6 11000 250 7 -119
Note the following:
 DR = LoRaWAN data rate
 Bit rate is the effective over the air bit rate
 BW is the bandwidth of the incoming LoRa transmission
 SF is the Spreading Factor of the incoming LoRa transmission
3.3.6 BLE Power Consumption
Data taken at VCC 3.3V (see Note 1 following Table 10) and 25ºC.
Table 10: Power consumption
Parameter Min Typical Max Unit
Active Mode ‘peak’ current – (Note 1)
(Connection)
TX only run peak current @TXpwr= + 3 dBm
TX only run peak current @T pwr= 0 dBm
TX only run peak current @TXpwr= -4 dBm
TX only run peak current @TXpwr= -8 dBm
TX only run peak current @TXpwr= -12 dBm
TX only run peak current @TXpwr= -16 dBm
T X only run peak current @TXpwr= -20 dBm
TX Whisper Mode 1
TX only run peak current @TXpwr= -30 dBm
TX Whisper Mode 2
TX only run peak current @TXpwr= -55 dBm
12.7
8.4
7.1
6.9
6.4
6.1
5.5
5.4
5.0
mA
mA
mA
mA
mA
mA
mA
mA
mA
Active Mode