{"product_id":"lora-sx1278-433mhz-wireless-transceiver-module-spi-interface","title":"LoRa SX1278 433MHz Wireless Transceiver Module (SPI Interface)","description":"\u003cp data-path-to-node=\"5\" id=\"p-rc_93807f9f4ea39f32-180\"\u003e\u003cspan class=\"citation-219\"\u003eThe \u003c\/span\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"4\"\u003e\u003cspan class=\"citation-219\"\u003eLoRa SX1278 433MHz Wireless Module\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-219 citation-end-219\"\u003e (often recognized in the popular Ra-02 form factor) is a high-performance radio transceiver built around the Semtech SX1278 chipset.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-218 citation-end-218\"\u003eDesigned to operate in the 433MHz ISM band, this module leverages advanced LoRa (Long Range) Chirp Spread Spectrum (CSS) modulation.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-217 citation-end-217\"\u003eThis technology allows the module to achieve a phenomenal balance: it can transmit data over vast distances (up to 10 kilometers with clear line-of-sight) while maintaining an ultra-low power profile that makes it perfect for battery-operated deployments.\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\" id=\"p-rc_93807f9f4ea39f32-181\"\u003e\u003cspan class=\"citation-216 citation-end-216\"\u003eUnlike standard FSK or Wi-Fi modules, the SX1278 boasts a staggering receiver sensitivity of down to -148 dBm.\u003csup class=\"superscript\" data-turn-source-index=\"4\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e This means it can pick up incredibly weak signals hidden deep beneath the noise floor, giving it unparalleled resistance to RF interference and the physical ability to punch through dense concrete walls, forest canopies, and urban sprawl. \u003cspan class=\"citation-215 citation-end-215\"\u003eCommunicating with microcontrollers via a standard SPI interface, it grants developers absolute control over bandwidth, spreading factors, and error correction rates.\u003csup class=\"superscript\" data-turn-source-index=\"5\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eKey Features \u0026amp; Functional Advantages:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\" id=\"p-rc_93807f9f4ea39f32-182\"\u003e\u003cspan class=\"citation-214\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-214\"\u003eChirp Spread Spectrum (CSS):\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-214 citation-end-214\"\u003e Outperforms traditional FSK\/OOK modulation by spreading the signal across a wider bandwidth, dramatically increasing range and making the transmission virtually immune to standard radio jamming and interference.\u003csup class=\"superscript\" data-turn-source-index=\"6\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\" id=\"p-rc_93807f9f4ea39f32-183\"\u003e\u003cspan class=\"citation-213\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-213\"\u003eExceptional Link Budget:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-213 citation-end-213\"\u003e Combines a high transmission power capability (+20dBm \/ 100mW) with extreme receiver sensitivity (-148dBm) to create an industry-leading link budget, ensuring data delivery where other modules fail.\u003csup class=\"superscript\" data-turn-source-index=\"7\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb data-path-to-node=\"8,2,0\" data-index-in-node=\"0\"\u003eLow-Power Efficiency:\u003c\/b\u003e Features ultra-low standby and sleep currents (as low as 0.2µA), allowing remote sensor nodes to run for months or even years on a single coin cell or 18650 lithium battery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\" id=\"p-rc_93807f9f4ea39f32-184\"\u003e\u003cspan class=\"citation-212\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"8,3,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-212\"\u003eFlexible SPI Control:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-212 citation-end-212\"\u003e Interfaces directly with the SPI pins of an Arduino, ESP32, or Raspberry Pi, allowing you to dynamically adjust frequencies, power outputs, and packet handling via software libraries.\u003csup class=\"superscript\" data-turn-source-index=\"8\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,4,0\" id=\"p-rc_93807f9f4ea39f32-185\"\u003e\u003cspan class=\"citation-211\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"8,4,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-211\"\u003eMulti-Modulation Support:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-211 citation-end-211\"\u003e While optimized for LoRa, the internal radio can also fall back to standard FSK, GFSK, MSK, and OOK modulation for backward compatibility with legacy wireless systems.\u003csup class=\"superscript\" data-turn-source-index=\"9\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003ePerfect For:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\" id=\"p-rc_93807f9f4ea39f32-186\"\u003e\u003cspan class=\"citation-210\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-210\"\u003eSmart Agriculture \u0026amp; Telemetry:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-210 citation-end-210\"\u003e Deploy soil moisture, temperature, and weather sensors across hundreds of acres of farmland without needing a cellular connection or Wi-Fi coverage.\u003csup class=\"superscript\" data-turn-source-index=\"10\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\" id=\"p-rc_93807f9f4ea39f32-187\"\u003e\u003cspan class=\"citation-209\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-209\"\u003eUrban IoT Networks:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-209 citation-end-209\"\u003e Build custom smart-city infrastructure, such as remote water meter readers, parking sensors, or street lighting controllers that reliably communicate through heavy building infrastructure.\u003csup class=\"superscript\" data-turn-source-index=\"11\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\" id=\"p-rc_93807f9f4ea39f32-188\"\u003e\u003cspan class=\"citation-208\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-208\"\u003eDIY Home Automation:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-208 citation-end-208\"\u003e Create impenetrable, long-range wireless links for security alarms, automatic gate openers, and garage door monitors that standard RF 433MHz modules cannot reach.\u003csup class=\"superscript\" data-turn-source-index=\"12\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003e\u003cb data-path-to-node=\"10,3,0\" data-index-in-node=\"0\"\u003eUAV \u0026amp; Robotics:\u003c\/b\u003e Transmit critical flight telemetry and GPS coordinates back to a ground control station from custom drones or high-altitude weather balloons.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\" id=\"p-rc_93807f9f4ea39f32-189\"\u003e\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003eRF Chipset:\u003c\/b\u003e\u003cspan class=\"citation-207 citation-end-207\"\u003e Semtech SX1278\u003csup class=\"superscript\" data-turn-source-index=\"13\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\" id=\"p-rc_93807f9f4ea39f32-190\"\u003e\u003cspan class=\"citation-206\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-206\"\u003eOperating Frequency:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-206 citation-end-206\"\u003e 433MHz ISM Band (Tunable from 410MHz to 525MHz)\u003csup class=\"superscript\" data-turn-source-index=\"14\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\" id=\"p-rc_93807f9f4ea39f32-191\"\u003e\u003cspan class=\"citation-205\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-205\"\u003eModulation Techniques:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-205 citation-end-205\"\u003e LoRa CSS, FSK, GFSK, MSK, GMSK, OOK\u003csup class=\"superscript\" data-turn-source-index=\"15\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,3,0\" id=\"p-rc_93807f9f4ea39f32-192\"\u003e\u003cspan class=\"citation-204\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-204\"\u003eOperating Voltage:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-204\"\u003e 1.8V to 3.7V DC (\u003c\/span\u003e\u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"36\"\u003e\u003cspan class=\"citation-204\"\u003eStrictly 3.3V Logic\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-204 citation-end-204\"\u003e; connecting 5V directly to the data pins or VCC will instantly destroy the module)\u003csup class=\"superscript\" data-turn-source-index=\"16\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,4,0\"\u003e\u003cb data-path-to-node=\"12,4,0\" data-index-in-node=\"0\"\u003eMaximum Output Power:\u003c\/b\u003e +20 dBm (approx. 100mW)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,5,0\" id=\"p-rc_93807f9f4ea39f32-193\"\u003e\u003cspan class=\"citation-203\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"12,5,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-203\"\u003eReceiver Sensitivity:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-203 citation-end-203\"\u003e Down to -148 dBm\u003csup class=\"superscript\" data-turn-source-index=\"17\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,6,0\" id=\"p-rc_93807f9f4ea39f32-194\"\u003e\u003cb data-path-to-node=\"12,6,0\" data-index-in-node=\"0\"\u003eCommunication Interface:\u003c\/b\u003e\u003cspan class=\"citation-202 citation-end-202\"\u003e SPI (Serial Peripheral Interface)\u003csup class=\"superscript\" data-turn-source-index=\"18\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,7,0\" id=\"p-rc_93807f9f4ea39f32-195\"\u003e\u003cb data-path-to-node=\"12,7,0\" data-index-in-node=\"0\"\u003eData Transfer Rate:\u003c\/b\u003e\u003cspan class=\"citation-201 citation-end-201\"\u003e Up to 300 kbps (FSK) \/ 37.5 kbps (LoRa)\u003csup class=\"superscript\" data-turn-source-index=\"19\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,8,0\" id=\"p-rc_93807f9f4ea39f32-196\"\u003e\u003cspan class=\"citation-200\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"12,8,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-200\"\u003eAntenna Connection:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-200 citation-end-200\"\u003e IPEX \/ U.FL connector or direct solder hole for a spring\/wire antenna (Antenna must be attached prior to powering on to prevent amplifier damage)\u003csup class=\"superscript\" data-turn-source-index=\"20\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K-TECHNICS","offers":[{"title":"Default Title","offer_id":42853619433543,"sku":null,"price":0.0,"currency_code":"KES","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/7637\/2039\/files\/SX1278-LoRa-Module-Ra-02-433MHZ3.png?v=1780773320","url":"https:\/\/www.ktechnics.com\/products\/lora-sx1278-433mhz-wireless-transceiver-module-spi-interface","provider":"K-TECHNICS","version":"1.0","type":"link"}