Serial to LoRa Converter:

• Support 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

Realize point-to-point data transmission between two serial devices by two LG206-P without any data transmission protocol

Functional diagram:

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.
• o 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, 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.

Applications

Smart metering

• Distribution box /Control room
• Can realize long-distance data collection to improve work efficiency
• Low power consumption and adjustable transmission rate, which can reduce battery change frequency
• Arrange nodes reasonably which can help management and all-sided detection

Smart oil field

• Control room
• Real-time detection to devices which can help management
• Long-distance and wireless transmission, and free from the tariff cost
• Powerful anti-interference capacity and data transmission won’t be influenced in harsh environment

Smart agriculture

• Control room
• Real-time greenhouses’ sensor data transmission which can help management , reduce operation cost and increase revenue
• Timely and valid data transmission, and it can improve agricultural yield and avoid waste of resources

Specifications

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	#colspan#
Data interface	Serial port: Support RS232/RS485. Baud rate: 1200bps~115200bps
Working voltage	5V~36V
Working current	Transmitting current: 45mA@12V. Standby mode: 45mA@12V.
Working temperature	-30℃~+80℃
Storage temperature	-45℃~+90℃
Working humidity	10~95%RH
Storage humidity	10~95%RH

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