This module is a type of low cost RF front-end transceiver module based on SX1278 from Semtech Corporation. It keeps the advantages of RFIC SX1278 but simplifies the circuit design. The high sensitivity (-136dBm) in LoRa modulation and 20dBm high power output make the module suitable for low range and low data rate applications.

The module consists of RFIC SX1278, thin SMD crystal and antenna matching circuit. The antenna port is well matched to standard 50 Ohm impedance. Users don't need to spend time in RF circuit design and choose suitable antennas for different applications. The module operates at 1.8~3.6V with extra low standby current which makes it suitable for battery powered-up applications. Because it is purely hardware module and it adopts ±10ppm crystal which the resolution of it places a important role in calculating spreading factor, bandwidth, etc.



Applications

Remote Control
Remote AMR
Home Automation
Personal data logger
Wireless sensor network
Remote Keyless entry
Wireless PC peripherals


Features

High sensitivity (-136dBm) in LoRa modulation and 20dBm high power output make the module suitable for low range and low data rate applications.
127dB dynamic Range RSSI
Super anti-jamming (channel rejection ratio: 56db)
Excellent blocking immunity
SPI Data Interface
Preamble detection
Automatic RF sense and CAD monitor
Built-in bit synchronizer for clock recovery
Packet engine up to 256 bytes with CRC
Build-in temperature sensor
Ultra-long distance transmission open up to 5KM (Depends on antenna)


Specifications

Frequency Range: 433MHz
Modulation: FSK / GFSK / MSK / LoRa
Sensitivity: -136dBm
Output Power: +20dBm
Data Rate: <300 kbps
Standby current: ≤ 1uA
Supply voltage: 1.8~3.6VDC
Working Temperature: -40°C ~+80°C

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