11
RAK2245 Pi HAT
11
RAK2245 Pi HAT User Manual V1.2
2.12
RF Characteristics
2.12.1
Transmitter RF Characteristics
The RAK2245 Pi HAT has an excellent transmitter performance. It is highly
recommended to use an optimized configuration for the power level
configuration, which is part of the HAL. This results in a mean RF output power
level and current consumption.
Table 7 |
RF Output Power Level
T=25
℃
, V
DD
=5V (Typical) if nothing else stated.
8 |
TX RF Characteristics
PA Control
DAC Control
MIX Control
DIG Gain
Nominal RF Power
Level [dBm]
0
3
8
0
-6
0
3
10
0
-3
0
3
14
0
0
1
3
9
3
4
1
3
8
0
8
1
3
9
0
10
1
3
11
0
12
1
3
12
0
14
1
3
13
0
16
2
3
12
0
17
2
3
13
0
19
2
3
14
0
20
3
3
10
0
0
3
3
11
0
0
3
3
12
0
25
3
3
13
0
26
3
3
14
0
27
Parameter
Condition
Min
Typ.
Max
Frequency Range
863 MHz
870 MHz
Modulation Techniques
FSK/LoRaTM
TX Frequency Variation vs.
Temperature
Power Level
Setting : 20
-3 KHz
+3 KHz
TX Power Variation vs.
Temperature
-5 dBm
+5 dBm
TX Power Variation
-1.5 dBm
+1.5 dBm
