{"product_id":"lora-sx1278-ra-01-ra-02-433mhz-spread-spectrum-wireless-module-spi-antenna","title":"LoRa SX1278 RA-01\/RA-02 433MHz Wireless Module + Antenna","description":"\u003ch2\u003eLoRa SX1278 RA-01\/RA-02 433MHz Spread Spectrum Wireless Module\u003c\/h2\u003e\n\u003cp\u003eTake your IoT and wireless communication projects to the next level with the \u003cstrong\u003eLoRa SX1278 RA-01\/RA-02 433MHz Spread Spectrum Wireless Module\u003c\/strong\u003e. Featuring the powerful SX1278 chipset, this compact SMD module delivers long-range, low-power wireless data transmission over a standard SPI interface — making it ideal for Arduino, Raspberry Pi, and custom embedded systems.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're building a smart sensor network, a remote telemetry system, or a wireless serial port application, this module provides exceptional range and strong interference resistance thanks to its LoRa (Long Range) spread spectrum technology.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 433 MHz — ideal for ISM band wireless communication\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChipset:\u003c\/strong\u003e Semtech SX1278 — industry-leading LoRa spread spectrum technology\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e SPI — easy integration with microcontrollers and single-board computers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2.7V – 3.6V — compatible with 3.3V logic systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40°C to +80°C — reliable in a wide range of environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e SMD — compact form factor for space-constrained designs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes antenna\u003c\/strong\u003e for immediate out-of-the-box use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand new\u003c\/li\u003e\n  \u003cli\u003eNo high-concern chemicals (RoHS-compliant materials)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Band\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e433 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChipset\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSemtech SX1278\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSPI\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.7V – 3.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to +80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMD\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAntenna\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat Is LoRa Spread Spectrum Technology?\u003c\/h3\u003e\n\u003cp\u003eLoRa (Long Range) is a proprietary spread spectrum modulation technique developed by Semtech. It allows data to be transmitted over very long distances (up to several kilometres in open environments) while consuming minimal power. This makes it the go-to choice for IoT devices, remote sensors, smart agriculture, and industrial monitoring applications.\u003c\/p\u003e\n\n\u003ch3\u003eCompatible With\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eArduino (Uno, Mega, Nano, etc.)\u003c\/li\u003e\n  \u003cli\u003eRaspberry Pi (via SPI GPIO)\u003c\/li\u003e\n  \u003cli\u003eSTM32, ESP32, ESP8266, and other 3.3V microcontrollers\u003c\/li\u003e\n  \u003cli\u003eCustom PCB designs and embedded systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the LoRa SX1278 RA-01\/RA-02 module used for?\u003c\/h4\u003e\n\u003cp\u003eA: The LoRa SX1278 RA-01\/RA-02 433MHz wireless module is used for long-range, low-power wireless communication in IoT projects, remote sensor networks, smart agriculture systems, home automation, and wireless serial port applications. Its SPI interface makes it easy to connect to microcontrollers like Arduino and Raspberry Pi.\u003c\/p\u003e\n\u003ch4\u003eQ: What voltage does this module operate at?\u003c\/h4\u003e\n\u003cp\u003eA: The SX1278 LoRa module operates at a supply voltage of 2.7V to 3.6V, making it directly compatible with 3.3V systems such as Arduino (with a level shifter for 5V boards), ESP32, ESP8266, and STM32 microcontrollers.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this module come with an antenna?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, this LoRa SX1278 RA-01\/RA-02 module comes complete with an antenna, so you can begin testing and deploying your wireless communication project right away without needing to purchase additional components.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the difference between the RA-01 and RA-02 variants?\u003c\/h4\u003e\n\u003cp\u003eA: The RA-01 and RA-02 are both based on the Semtech SX1278 chipset and operate on the 433MHz frequency band. The main difference lies in their PCB layout and pin configuration, with the RA-02 typically featuring castellated mounting holes for easier SMD soldering onto a carrier PCB. Both support SPI communication and LoRa spread spectrum modulation.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the LoRa SX1278 RA-01\/RA-02 module used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The LoRa SX1278 RA-01\/RA-02 433MHz wireless module is used for long-range, low-power wireless communication in IoT projects, remote sensor networks, smart agriculture systems, home automation, and wireless serial port applications. 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