User Manual
2/13/2018 Lora Sensor Node-LSN50 - Wiki for Dragino Project
http://wiki.dragino.com/index.php?title=Lora_Sensor_Node-LSN50 2/17
STM32l0x
The maximum link budget is 157 dB
+20 dBm, 100 mW constant RF output with Vsupply
+14 dBm high efficiency PA
Programmable bit rates up to 300 k
High sensitivity: down to -137 dBm
Bulletproof front end: IIP3 = -12.5 dBm
89 dB blocking immunity
The low RX current is 10 mA and the register is held at 200 nA
Fully integrated synthesizer with 61 Hz resolution
FSK, GFSK, MSK, GMSK, LoRa and OOK modulations
Bit built-in synchronizer for clock recovery
Synchronous word recognition
Preamble detection
127 dB + dynamic range RSSI
Built-in temperature sensor and low battery indicator 1.65 V to 3.6 V power supply