User's Manual
5
RAK2247
5
RAK2247 User Manual V1.0
As described in Figure 3, the RAK2247 card integrates one SX1301 chip and two
SX1255/7 and other chip for RF signal, which represents the core of the device,
providing the related LoRa modem and processing functionallilies. Additional signal
conditioning circuitry is implemented for PCI Express Mini Card compliance, and
one UFL connectors are available for external antennas integration.
2.3 Operating Frequencies
The board supports all LoRaWAN frequency channels as below. Which is easy to
configure while building the firmware from the source code.
Region
Frequency ( MHz )
North America
US: 923.3-927.5Mhz
Table 1 | Operating Frequencies
2.4 Pin Definition
No
Mini PCIEx PIN
Rev. 2.0
RAK2247 PIN
Power
I/O
Description
Remarks
1
WAKE#
NC
N/A
Internally not connected
2
3.3Vaux
3.3Vaux
3.3Vaux
N/A
RAK2247power
supply input
Connect to 3.3 V
3
COEX1
NC
N/A
Internally not connected
4
GND
GND
GND
N/A
Ground
Connect to Ground
5
COEX2
NC
N/A
Internally not connected
6
1.5V
NC
N/A
Internally not connected
7
CLKREQ#
NC
N/A
Internally not connected
8
UIM_PWR
NC
N/A
Internally not connected
9
GND
GND
GND
N/A
Ground
Connect to ground
10
UIM_DATA
NC
N/A
Internally not connected
11
REFCLK-
NC
N/A
Internally not connected
12
UIM_CLK
NC
N/A
Internally not connected
13
REFCLK+
NC
N/A
Internally not connected
14
UIM_RESET
NC
N/A
Internally not connected
15
GND
GND
GND
N/A
Ground
Connect to ground
16
UIM_SPU
NC
N/A
Internally not connected
17
UIM_IC_DM
NC(5V optional
For PA)
N/A
Internally not connected