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RAK4600 WisDuo LPWAN+BLE Module Datasheet

Overview​

Description​

RAK4600 WisDuo LPWAN+BLE Module includes an nRF52832 MCU and an SX1276 LoRa chip. It has Ultra-Low Power Consumption of 13.3 μA (down to 11.2 μA @ 2.0 V) in sleep mode, high LoRa output power up to 20 dB max in work mode, and BLE output power up to 4 dBm.

The module complies with LoRaWAN 1.0.2 specification. It supports LoRa Point-to-Point (P2P) communications and also the BLE 5.0, in addition to LoRa. Its RF communication capabilities (LoRa+BLE) make it suitable for a variety of applications in the IoT field.

Features​

  • LoRa module for Smart City, Smart Agriculture, Smart Industry
  • Compact Form Factor: 15 x 23 x 2.5 mm
  • 42 Pin Stamp Pad for PCB SMT mounting
  • I/O ports: UART/I2C/GPIO (optional NFC interface)
  • Temperature range: -40° C to +85° C
  • Supply voltage: 2.0 ~ 3.6 V
  • Frequency range: 863–870 MHz (EU) / 902–928 MHz (US), ISM and SRD systems
  • Low-Power Wireless Systems with 7.8 kHz to 500 kHz Bandwidth
  • Ultra-Low Power Consumption of 13.3 μA (down to 11.2 μA @ 2.0 V) in sleep mode
  • LoRa Boost mode with 20 dBm output power
  • BLE 5.0 (Tx power -20 to +4 dBm in 4 dB steps)

Specifications​

Overview​

The overview section covers the RAK4600 WisDuo LPWAN Module board overview where the top view is presented. It also includes the block diagram of the module showing its external interfaces.

Board Overview​

Figure 7905: RAK4600 WisDuo Top View™

Block Diagram​

Figure 7906: RAK4600 Block Diagram

Hardware​

The hardware specifications are categorized into five parts. It discusses the interfacing, pinouts, and the standard values of the board. It displays the frequency parameters and power consumption. These categories mentioned include tabular data and diagrams of the RAK4600 WisDuo LPWAN Module board.

Pin Definition​

Figure 7907: RAK4600 Board Pinout
warning

When using RF_L and RF_BT for antenna connection and not the IPEX connector variant, make sure there is no ground plane (in all layers of the PCB) under the RF trace path to eliminate the possible effects of unwanted stray capacitance which can cause degradation of the RF signal levels.

PinNameI/ODescription
1GNDGround
2NCNo Connection
3NCNo Connection
4I2C1_SDAI/OI2C, General purpose I/O (P0.13)
5I2C1_SDLI/OI2C, General purpose I/O (P0.12)
6NFC1I/OGeneral purpose I/O、NFC antenna connection
7NFC2I/OGeneral purpose I/O、NFC antenna connection
8GNDGround
9P0.18I/OGeneral purpose I/O p0.18
10P0.19I/OGeneral purpose I/O p0.19
11NCNo Connection
12GNDGround
13GNDGround
14GNDGround
15RF_BTI/OBLE RF OUT (only available on RAK4600 No-IPEX connector variant)
16GNDGround
17RF_LI/OLoRa RF OUT (only available on RAK4600 No-IPEX connector variant)
18GNDGround
19GNDGround
20GNDGround
21ReservedI/OGeneral purpose I/O (P0.14)
22USART1_RXI/OUSART1_RX (General purpose I/O P0.22)
23USART1_TXI/OUSART1_TX (General purpose I/O P0.23)
24ReservedI/OGeneral purpose I/O P0.17
25NCNo Connection
26NCNo Connection
27NCNo Connection
28NCNo Connection
29NCNo Connection
30NCNo Connection
31GNDGround
32NCNo Connection
33NCNo Connection
34NCNo Connection
34NCNo Connection
35NCNo Connection
36MCU_NRSTI/OMCU reset
37SYS_SWDIOI/OSYS_SWDIO
38SYS_SWDCLKI/OSYS_SWDCLK
39GNDGround
403V3_INInput power
413V3_INInput power
42GNDGround
LoRa Transceiver IC Connection to RAK4600 Internal nRF52​
LoRa IC PinnRF52 IO Pins
DIO0P0.27
DIO1P0.28
DIO2P0.29
DIO3P0.30
DIO4P0.31
DIO5NC
SPI1_CLKP0.07
SPI1_MISOP0.06
SPI1_MOSIP0.05
SPI1_NSSP0.04
NRESETP0.03
VCTL1P0.16
VCTL2P0.15
RF Switch Control Logic Table​
LoRa ModeVCTL1 GPIOVCTL2 GPIO
TX modeHL
RX modeLH
NOTE
Logic Level
  • H level (1.8 - 5.0 V)
  • L level (0 V)

RF Characteristics​

Operating Frequencies​

The board supports the following LoRaWAN frequency channels shown in the table below. The frequency parameter is easy to configure as you go through the device configuration setup.

RegionFrequency (MHz)
RussiaRU864
IndiaIN865
EuropeEU868
North AmericaUS915
AustraliaAU915
KoreaKR920
AsiaAS923

Electrical Characteristics​

Several current consumption ratings are provided below for detailed RAK4600 WisDuo LPWAN Module usage. Refer to the values presented for your preferred values for specific simulations and calculations.

Operating Voltage​
FeatureMinimumTypicalMaximumUnit
VCC2.03.33.45Volts (V)
Typical Current Consumption​

Shown in the table provided below is the typical current consumption of the RAK4600 WisDuo LPWAN Module.

ItemCurrent ConsumptionCondition
LoRa TX @20 dBm125 mALoRa @ PA_BOOST & BT sleep
LoRa TX @17 dBm92 mALoRa @ PA_BOOST & BT sleep
BT TX @4 dBm9 mABT Tx mode & LoRa sleep
LoRa RX @37.5 Kbps17 mA
BT RX @2 Mbps11.5 mA
Laboratory Testing​

Figure 4 and Figure 5 shows the average current consumption based on the different test cases.

Equipment:

  • Power consumption meter
  • RAK4600 WisDuo LPWAN Module

LoRa Packet Sending

The RAK4600 WisDuo LPWAN Module takes 92.291 ms to send a LoRa packet which consumes 119 mA of current.

  • Sending Time: 92.291 ms
  • Current consumption: 119 mA
Figure 7908: Oscilloscope Screen Capture of LoRa Packet Sending

LoRa Packet Receiving

The RAK4600 WisDuo LPWAN Module takes 30.052 ms to receive a LoRa packet which consumes 13.8 mA of current.

  • Receiving Time: 30.052 ms
  • Current consumption: 13.8 mA
Figure 7909: Oscilloscope Screen Capture of LoRa Packet Receiving
Sleep Current​
FeatureConditionMinimum (2.0 V)Typical (3.3 V)MaximumUnit
Current ConsumptionEU86811.213.3μA
US91511.512.5μA
Schematic Diagram​
Figure 7910: Schematic Diagram

Mechanical Characteristics​

Figure 7911: Dimensions in Top and Side View
Figure 7912: Dimensions Detailed

Recommended Reflow Profile​

  • MSL Rating : Class 3
Figure 7913: Recommended Reflow Profile

Standard Conditions for Reflow Soldering:

  • Pre-heating Ramp (A) (Initial temperature: 150 ℃): 1~2.5 ℃/sec.
  • Soaking Time (T2) (150 ℃180 ℃): 60100 sec;
  • Peak Temperature (G): 230~250 ℃
  • Reflow Time (T3) (>220 ℃): 30~60 sec
  • Ramp-up Rate (B): 0~2.5 ℃/ sec
  • Ramp-down Rate (C): 1~3 ℃/ sec.

Software​

Download the latest firmware of the RAK4600 WisDuo LPWAN Module provided in the table below.

Firmware​

ModelVersionSource
RAK4600V3.4.0.14Download