Dragino LSN50 — Waterproof Long Range Wireless LoRa Sensor Node

LoRa Spec

168 dB maximum link budget.
+20 dBm – 100 mW constant RF output vs.
+14 dBm high efficiency PA.
Programmable bit rate up to 300 kbps.
High sensitivity: down to -148 dBm.
Bullet-proof front end: IIP3 = -12.5 dBm.
Excellent blocking immunity.
Low RX current of 10.3 mA, 200 nA register retention.
Fully integrated synthesizer with a resolution of 61 Hz.
FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
Built-in bit synchronizer for clock recovery.
Preamble detection.
127 dB Dynamic Range RSSI.
Automatic RF Sense and CAD with ultra-fast AFC.
Packet engine up to 256 bytes with CRC.
Built-in temperature sensor and low battery indicator.

MCU Spec

MCU: STM32L072CZT6
Flash:192KB
SRAM:20KB
EEPROM:6KB
Clock Speed: 32Mhz

Features:
STM32L072CZT6 MCU
SX1276/78 LoRa Wireless Modem
Pre-load with ISP bootloader
I2C,LPUSART1,USB
18 x Digital I/Os
2 x 12bit ADC; 1 x 12bit DAC
MCU wake up by UART or Interrupt
LoRa? Modem
Preamble detection
Baud rate configurable
LoRaWAN 1.0.2 Specification
Software base on STM32Cube HAL drivers
Open source hardware / software
Available Band:433/868/915/920 Mhz
IP66 Waterproof Enclosure
Ultra Low Power consumption
AT Commands to setup parameters
4000mAh Battery for Long term use

Applications:
Wireless Alarm and Security Systems
Home and Building Automation
Automated Meter Reading
Industrial Monitoring and Control
Long range Irrigation Systems,etc.