SX1278 LoRa Transceiver (433 MHz, 7500 m)

Overview

This product is a transmitter / receiver RF LoRa configured to operate at a frequency of 433MHz. 

LoRa is a protocol for transmitting data emerged in recent years that wishes to contribute to the needs of users to transmit data at distances increasingly larger with very low energy consumption.

Communication can be made between transceivers (point - to - point) or by connecting to a router LoRa in coverage areas. The emergence of the protocol will help LoRa v2 and location through triangulation.

Specifications

• Integrated circuit used: Semtech SX1278
• Communications Interface: UART
• Data Transmission Frequency: 433 MHz
• Max. data transmission distance in open field: 3000m
• Antenna Jack: SMA
• Supply Voltage VCC 2.8 V to 5.5 V DC
• Max. Transmission Power: 20 dBm to 0.1 W
• Standby Current: 2.0 uA
• Maximum Current Transmission: 110 mA (power of 0.1 W)
• Reception Current: 14.5 mA
• Default Data Transmission Rate 2.4 kbps
• Sensitivity: -130 dBm at 0.3 kbps
• Dimensions module: 21 x 36 mm (without antenna socket)

Modes of operation

• Mode M1 M0
• Mod 0 - Normal 0 0
• Mode 1 - Wake-up 0 1
• Mode 2 - Power saving 1 0
• Mode 3 - Sleep 1 1

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