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LoRa transceiver for wireless communication around 433 MHz
Article no: 3684
Information about this module is generated with the help of AI. The description may be incomplete, inaccurate, or subject to change.
The SX1278 433M is a wireless transceiver module designed for LoRa and other radio modulation modes. The module is based on the Semtech SX1278 and communicates with a microcontroller through SPI. It can operate as both a transmitter and receiver and is suitable for wireless data transmission, telemetry, measurement and control applications.
The SX1278 supports LoRa as well as FSK, GFSK, MSK, GMSK and OOK. LoRa provides high receiver sensitivity and the possibility of long range communication at low data rates. The spreading factor can be selected to adjust the balance between data rate, transmission time and range.
The module provides DIO0 to DIO5 pins that can be used for interrupts and status signals from the radio circuit. DIO0 is commonly used to indicate that a packet has been received or that a transmission has been completed. The other DIO pins can be used for functions such as receive timeout, channel change, CAD and other radio status functions. The DIO functions can be configured through the SX1278 registers.
The module is designed for operation around 433 MHz. A suitable antenna is important for good range and reliable operation. At 433 MHz, a theoretical quarter wave antenna is approximately, although the practical antenna length depends on the antenna construction and surrounding environment.
The SX1278 can also be operated in modes other than LoRa, making the module suitable for experiments with FSK and OOK. It is therefore considerably more flexible than simple ASK and OOK transmitter or receiver modules.
Legal Notice for Radio Equipment
Owning a radio transmitter is generally permitted. Transmitting may require a license or be prohibited depending on the frequency, output power, and intended use. Using a receiver to receive radio signals is generally permitted.
Facts.
Model: SX1278-433M
Radio circuit: Semtech SX1278
Frequency: 433 MHz
Type: Wireless transceiver
Communication: SPI
Modulation: LoRa, FSK, GFSK, MSK, GMSK, OOK
LoRa spreading factor: SF6 to SF12
Transmission: Yes
Reception: Yes
Digital I O: DIO0 to DIO5
DIO0 functions: RxDone and TxDone
DIO1 function: RxTimeout
DIO2 function: FHSS channel change
DIO3 function: CAD complete
DIO4 function: CAD detected
Supply voltage: Normally 3.3 V
Maximum transmission power: Up to approximately 20 dBm depending on configuration
Receiver sensitivity: Down to approximately -148 dBm under certain conditions
Antenna: External antenna for 433 MHz
Applications: LoRa, telemetry, measurement, control and wireless data transmission
Included.
1 pc module.
About the product.
Weight: approx 5 gram.
Contact us if you have questions at info@pchbutik.se
Article no: 3684
Remaining stock quantity can be found under the Product details tab.
In our range since: 2026-09-28
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