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商品描述
Product Introduction
HLK-L09 is a wireless module developed specifically for LPWAN IoT applications, utilizing TurMass ™, as a new LPWAN technology, has the characteristics of super large capacity, high speed, wide coverage, and low cost. HLK-L09 provides a universal AT command interface based on UART, as well as flexible parameter configuration capabilities. Users can configure various parameters such as module transmission power, working frequency, speed, and working mode according to application requirements, and quickly achieve wireless data transmission and reception.
Product Feature
Adopting the original TurMass ™ Narrowband IoT technology
Supports a wide range of speeds, ranging from 0.441 kbps to 85.106 kbps
High sensitivity, long transmission distance, -129 dBm (mode6 @ 1.8Kbps, PER=5%).
Flexible and diverse working modes, supporting time slot TDD or ALOHA
Support AT commands or data transmission mode
Application
Smart City
Smart Home
Smart meter reading
Interactive voting and bank queue management system
Industrial equipment and instruments for the Internet of Things
Intelligent transportation
Technical specification
Technical indicators
Parameter
Working mode
SoC
Working voltage
1.8V ~ 3.6V
Working frequency range
470MHz~510MHz, support customized 868MHz/915MHz
Modulation method
DPFSK
Communication standard
TurMass™
Encryption method
AES128/256
Encoding method
convolutional code, polarization code
Rate range
0.441Kbps ~ 85.106kbps
Receiving sensitivity
-129dBm@1.8kbps
Transmission power
> 20dBm
Emission current
<120mA@20dBm
Receiving current
<14.5mA [1]
Sleep current
<1.8uA
Controller MCU
RISC-V N205 Core
Communication Interface
UART-3.3V TTL
Serial port configuration
115200bps 8N1
RF interface
IPEX connector or stamp hole
Working temperature
-40 ℃~+85 ℃
Working humidity
relative humidity 10%~90%,non condensing
External dimensions
16mm x 24mm x 3.5mm (length x width x height)
Pin Defenition
Pin Description
No.
Name
Typle
Description
1
ANT/NC
AIO
RF signal (using IPEX RF connector version module, this pin requires NC)
2
GND
GND
Ground
3
RESET
DI
Reset signal input, high efficiency
4
GPIO0/I2C_SDA
DIO
Normal GPIO, supports GPIO external high-level wake-up, I2C_SDA
5
SW2
DIO
Resreved
6
NC
NC
mid-air
7
SW1
DIO
Resreved
8
GPIO3/I2C_SCL
DIO
Normal GPIO, supports GPIO external high-level wake-up, I2C_SCL
9
CTS/PROGEN
The default configuration is the update pin, which connects to the UART-CTS of the serial port; When burning firmware, this pin needs to be pulled up
10
VCC
PI
Input power
11
GND
GND
Ground
12
NC
NC
mid-air
13
NC
NC
mid-air
14
GPIO_6
DIO
Normal GPIO, default configuration is UART-RTS
15
NC
NC
mid-air
16
NC
NC
mid-air
17
GPIO_5
DI
The default configuration is UART-RXD, with serial port reception
18
GPIO_4
DO
The default configuration is UART-TXD, with serial port sending
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