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 functional lilies. Additional
signal conditioning circuitry is implemented for PCI Express Mini Card compliance,
and one UFL connectors are available for external antennas integration.
2.2
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 )
Europe EU: 863-870Mhz
North America US: 923.3-927.5Mhz
Table 1 | Operating Frequencies
2.3 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 RAK2247 power
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