User's Manual

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1. Overview
Lora1276 integrates Semtech RF transceiver chip SX1276, which adopts LoRa TM Spread Spectrum
modulation frequency hopping technique. The features of long distance and high sensitivity (-139
dBm) make this module perform better than FSK and GFSK module. Multi-signal won't affect each
other even in crowd frequency environment; it comes with strong anti-interference performance.
This module is 100mW and ultra small size, widely used in AMR , remote industrial control filed.
Note: Two versions for option, V1.1 and V2.0,please choose the version you need.
PCB
Version
Control of Antenna switch
ESD Protection
Hardware
Firmware
V1.1
TXEN, RXEN controlled by
external MCU
None
Pin,
dimensions
compatible
V2.0 compatible with
V1.1
V2.0
Integrated control by internal
chips
Yes
2. Features
 Frequency Range:902.5-927.5MHz
 Sensitivity up to -139dBm @Lora
 Maximum output power: 20 dBm
 13mA@receiver mode
 Sleep current <200 nA
 Data transfer rate: @FSK,1.2-300 Kbps
 @Lora TM, 0.018-37.5 Kbps
 Lora TM, FSK, GFSK & OOK Modulation mode
 Built-in ESD Protection
 127 dB Dynamic Range RSSI
 Packet engine up to 256 bytes with FIFO and CRC
 Built-in temperature sensor and low battery indicator
 Excellent blocking immunity
 Operating Temperature Range：-40 ~ + 85 °C
3. Applications
 Remote meter reading
 Industrial control
 Home automation remote sensing
 Toys control
 Sensor network
 Tire pressure monitoring
 Health monitoring