Serial RS232 RS485 to LoRa Converter LG206-H-P

Parameter	Value
Wireless parameters
Frequency band	L:398-525MHz, H:803-930MHz
Transmitting power	10dBm~20dBm
Receiving sensitivity	-138.5dBm@0.268Kbps
Transmission distance	3500 meters. Test condition: Open area, clear weather, 20dBm transmitting power, 5dBi antenna gain, height is greater than 2 meters, 0.268K air rate.
Antenna	SMA
Hardware parameters
Data interface	Serial port: Support RS232/RS485. Baud rate: 1200bps~115200bps
Working voltage	5V~36V
Working current	Transmitting current: 45mA@12V. Standby mode: 12mA@12V.
Working temperature	-30℃~+80℃
Storage temperature	-45℃~+90℃
Working humidity	10~90%RH
Storage humidity	10~90%RH

 

LoRa Modems/Serial RS232 RS485 to LoRa Converters-USR-LG206-P

Support LoRa point to point protocol and fixed-point transmitting mode

Long communication distance, anti-interference, high sensitivity and air waking up

RS485 interface with EMC high level protection

Basic Function of LoRa Modems/Serial RS232 RS485 to LoRa Converters-USR-LG206-P

Realize point-to-point data transmission between two serial devices by two lora modems without any data transmission protocol

Functional diagram of LoRa Modems USR-LG206-P:

Interface:

• Antenna interface
• Terminal power supply interface

SX127X solution:

• Ultra-low power demand design
•  Powerful anti-interference capacity

Long communication distance:

• Long transmission distance and powerful penetrating power.
• Data transmission is more stable than traditional mode.
• Be suited to long-distance data collection.

Anti-interference  High receiving sensitivity:

• Unique signal frequency spectrum amplification
• Receiving sensitivity can reach -138.5dBm

Hardware protection:

• Full wired terminal installation and protection for lightning strike
• High current protection for power supply and interface
• 2KV   RS485 anti-surge protection: 2KV
• Over-current protection for power supply

EFT:

When there is instantaneous high current in the circuit(such as power switch, etc.), it can ensure that the device hardware is not damaged.

• ±2KV Power supply interface ±2KV
• ±2KV Ethernet interface and serial port ±2KV

ESD:

Prevent electrostatic damage equipment(Such as: dust electrostatic, electric arc, etc.)

•  ±15KV   Air ±15KV
•  ±8KV  Contact ±8KV

Watchdog:

• Well-designed hardware watchdog which can realize 24 hours stable operation.

Security:

• Use AT command to control data encryption transmission to provide security communication mechanism.
• realize three elements of security: confidentiality, security and availability.
• Serial device, Plain text,  Encryption, Cipher text,  Decode, Messy code.

Work mode:

• Transparent transmission mode
• Realize point-to-point data transmission between two serial devices by two LG206-P
• Serial device

AT command mode

• Support serial AT command to query/set parameters

Fixed-point transmitting mode

• In fixed-point transmitting mode, LoRa terminal LG206-P can change destination address and channel flexibly when LG206-P is transmitting data to realize flexibly changing object module.
• Serial device, Transmit, Channel.