LoRa Kit 151

$11.80

 

note

accessories

packinglist

  • Include antenna;
  • Include SH1.25 x 2 battery connector;
  • Not include battery;

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Description

Based on ultra low power design, we launched LoRa Node 151, adopting the STM32L151CCU6 MCU (support DFU mode) and SX127x LoRa chip, use 1/2 AA Lithium chlorine sulfite battery. Enter low power mode under the standard LoRaWAN protocol, the Deep Sleep Current ≤ 1.8uA.


Overview

  • CE Certificate;
  • Microprocessor: STM32L151CBU6 (Ultra-low-power ARM Cortex-M3 MCU with 128 Kbytes Flash), with LoRa node chip SX1278 (433MHz ~ 510MHz);
  • Micro USB interface with a complete voltage regulator, ESD protection, short circuit protection, and other protection measures;
  • Onboard SH1.25-2 battery interface, integrated lithium battery interface, integrated battery management system (battery power detection, USB / battery power automatic switching);
  • Integrated CP2102 USB to serial port chip, convenient for program downloading, debugging information printing;
  • This product supports DFU mode download (need to cooperate with relevant download software).
  • System resource:FLASH – 128K, RAM – 16K, EEPROM – 4K;
  • User available resources: FLASH – 64K, RAM – 8K, EEPROM – 4K;
  • Provide standard LoRaWAN protocol routines.
  • With good RF circuit design and basic low-power design (sleep current ≤7uA), it is convenient for IoT application vendors to quickly verify

    LoRaWAN protocol easily.


Technical parameters:

Resource 参数
Master Chip  STM32L151CBU6(Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3)
Wireless Communication LoRa
Node-to-node communication or LoRaWAN
LoRa Chip SX1278
LoRaWAN Area hardware version Support frequency
LF EU433
CN470
LoRa Maximum Output Power 19dB ± 1dB
Hardware Resource UART x 3; SPI x 2; I2C x 2; 12-bits ADC input x 8; 12-bits DAC output x 2; GPIO x 23
FLASH 128KB internal FLASH
RAM 16KB internal SRAM
Interface Micro USB x 1; LoRa Antenna interface(IPEX) x 1; 18 x 2.54 pin x 2
Maximum Size (Including protruding parts
such as switch and battery compartment)
56.3 x 25.5 x 7.8 mm
USB to Serial Chip x
Battery 3.7V Lithium(SH1.25 x 2 socket)
Solar Energy x
Battery Detection Circuit x
External Device Power Control(Vext) x
Low Power Deep Sleep 6μA
Display Size No display
Working Temperature -40~80℃
Electrical Features Condition  Minimum Typica  Maximum
Power Supply USB powered(≥500mA) 4.7V 5V 6V
Lithium powered(≥250mA) 3.3V 3.6V 4.2V
3.3V(pin)powered(≥150mA) 2.7V 3.3V 3.5V
5V(pin)powered(≥500mA) 4.7V 5V 6V
Power Consumption(mA) LoRa 10dB output 50mA
LoRa 12dB output 60mA
LoRa 15dB output 110mA
LoRa 20dB output 130mA
Output  3.3V pin output 500mA
5V pin output (USB powered only) Equal to the input current
External device power control (Vext 3.3V) 350mA

 


Docs&Resource


Test Info

Standing wave ratio(SWD) test of 470MHz

 

                                                                                                                      Smith chart of 470MHz

 

                                                                                                                       LoRa 433MHz  RF power output

 

                                                                                                                          LoRa 470MHz  RF power output

 

LoRa Band

433MHz, 470-510MHz, 863-987MHz, 902-928MHz

working temperature

-40°C to 80°C

Size

56.3 x 25.5 x 7.8 mm

Interface

Micro USB x 1|SPI|LoRaAntenna interface

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