DRF1278F 433MHz LoRa SX1278 Long Range RF Wireless Module Arduino

Description �� DRF1278F 433MHz LoRa SX1278 Long-Range RF Wireless Module | AuscomTech The DRF1278F 433MHz LoRa Wireless Module is a high-performance, low-power RF communication module based on the Semtech SX1278 transceiver.It combines traditional FSK/GFSK modulation with advanced LoRa™ spread-spectrum technology, delivering exceptional long-range communication, high sensitivity, and strong anti-interference performance. Designed for Arduino-compatible development, IoT systems, and industrial telemetry, the DRF1278F is ideal for applications requiring reliable wireless links over long distances with minimal power consumption. ⭐ Key Features �� LoRa™ Long-Range Wireless TechnologyUses Semtech SX1278 LoRa modulation to achieve long-distance communication (up to 5 km line-of-sight in open environments). �� High Receiver Sensitivity Up to -148 dBm sensitivity (LoRa mode) Maintains stable links in low-signal and noisy RF environments ⚡ Low Power Consumption Receive current: ~10–12 mA Optimised for battery-powered and solar-powered devices �� High Output Power Adjustable RF output up to 20 dBm Enables strong signal penetration and long-range coverage ��️ Excellent Anti-Interference Performance Channel rejection: 56 dB Strong resistance to RF noise and jamming �� Multiple Modulation Modes LoRa™ FSK / GFSK Supports FIFO mode and direct transmission for flexible firmware design. �� Advanced RF Features AFC (Automatic Frequency Control) Carrier sensing Forward Error Correction (FEC) Low-power sleep modes �� Compact & Easy to Integrate Small footprint module SPI interface for direct connection to microcontrollers �� Technical Specifications RF & Performance Chipset: Semtech SX1278 Frequency Range: 410 – 525 MHz Typical Operating Frequency: 433 MHz Transmit Power: 19 to 20.5 dBm Channel Rejection: 56 dB Receiver Sensitivity FSK @ 1.2 kbps (±5 kHz): -121 dBm LoRa @ 146 bps, BW 62.5 kHz, SF12: -139 dBm LoRa @ 293 bps, BW 125 kHz, SF12: -133 dBm Electrical Operating Voltage: 1.8 – 3.6 V Receive Current: ~10–12 mA Interface: SPI Environmental Operating Temperature: -20°C to 70°C Physical Dimensions: 17 × 16.5 mm �� Compatible With • Arduino (with 3.3V logic)• ESP32 / ESP8266• STM32 microcontrollers• Raspberry Pi (via SPI & level shifting)• Custom IoT and embedded systems �� Typical Applications • LoRa IoT sensor nodes• Smart agriculture monitoring• Wireless metering (water, gas, electricity)• Industrial telemetry & automation• Remote data acquisition• Wireless alarm and security systems• Smart home & building automation• Long-range RF control systems ⚠️ Important Notes • 3.3V logic only – not 5V tolerant• External antenna required for optimal range• RF performance depends on antenna design, environment, and firmware configuration �� Package Includes • 1 × DRF1278F 433MHz LoRa SX1278 RF Wireless Module