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Description
- Dragino LSN50-V2 Waterproof Long Range Wireless LoRa Sensor Node (915 MHz)
- Features an open-source product
- Designed for outdoor use
- Powered by Li/SOCl2 battery
- Based on SX1276 / SX1278
- Provides ultra-long range spread spectrum communication
The LSN50-V2 Waterproof Long Range Wireless LoRa Sensor Node (915 MHz) is a Long Range LoRa Sensor Node. It is designed for outdoor use and powered by Li/SOCl2 battery for long term use. LSN50 is designed to facilitate developers to quickly deploy industrial level LoRa and IoT solutions.
LSN50 is an open-source product, it is based on the STM32Cube HAL drivers and lots of libraries can be found in ST site for rapid development. It helps users to turn the idea into a practical application and make the Internet of Things a reality.
It is easy to program, create, and connect your things everywhere. LSN50 wireless part is based on SX1276 / SX1278 allows the user to send data and reach extremely long ranges at low data-rates.
It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
- 1 x Dragino LSN50-V2 Waterproof Long Range Wireless LoRa Sensor Node (915 MHz)
- 1 x External RF Antenna
Size
- 13.0 x 5 x 4.5 cm
- Maximum link budget: 168 dB
- Constant RF output: +20 dBm - 100 mW
- High efficiency PA: +14 dBm
- Programmable bit rate: up to 300 kbps
- High sensitivity: down to -148 dBm
- Bullet-proof front end: IIP3 = -12.5 dBm
- Excellent blocking immunity: Yes
- Built-in bit synchronizer for clock recovery: Yes
- Preamble detection: Yes
- Dynamic Range RSSI: 127 dB
MCU
- MCU: STM32L072CZT6
- Flash: 192 KB
- SRAM: 20 KB
- EEPROM: 6 KB
- Clock Speed: 32 Mhz
Absolute Maximum Ratings
- VCC: 0.5 ~ 3.9 V
- Operating Tempature: -40 ~ 85 °C
- I/O pins: 0.5 ~ VCC+0.5 V
Common DC Characteristics
- Supply Voltage: 1.8 ~ 3.6 V
- Operating Tempature: -40 ~ 85 °C
- I/O pins: Refer STM32L072CZT6 datasheet
Power Consumption
- STOP Mode: 2.7μA at 3.3 V
- RX Mode: 7.2 mA
- TX Mode: 125 mA at 20 dbm
Battery
- Li/SOCI2 unchargable battery
- Capacity: 8500 mAh
- Self Discharge: <1% / Year at 25 °C
- Max continuously current: 130 mA
- Max boost current: 2 A, 1 second
- Device Weight: 150 g