The SX1276/77/78/79 transceivers feature a LoRa® long-range modem that provides ultra-long range spread spectrum communications and high interference immunity while minimizing current consumption. Using Semtech’s patented LoRa modulation technology the SX1276/77/78/79 can achieve over -148dBm sensitivity using low-cost crystals and bill of materials. High sensitivity combined with an integrated +20dBm power amplifier delivers an industry-leading link budget, making it the best choice for any application that requires range or robustness. LoRa also offers significant advantages in blocking and selectivity over traditional modulation technologies, resolving the trade-offs between range, interference immunity, and energy consumption in traditional designs. Overview Features LoRa Modem Maximum Link Budget of 168dB + 20dBm - 100 mW Constant RF Output with V Supply + 14dBm High Efficiency PA Programmable Bit Rate up to 300kbps High Sensitivity: down to -148dBm Bulletproof Front End: IIP3 = -11dBm Excellent Blocking Immunity Low RX Current of 9.9mA, Register Retention of 200nA Fully Integrated Synthesizer with 61Hz Resolution FSK, GFSK, MSK, GMSK, LoRa and OOK Modulations Built-in Bit Synchronizer for Clock Recovery Preamble Detection 127dB Dynamic Range RSSI Automatic RF Sensing and CAD with Ultra-Fast AFC Packet Engine with CRC up to 256 Bytes Built-in Temperature Sensor and Low Battery Indicator Applications Automatic Meter Reading Home and Building Automation Wireless Alarm and Security Systems Industrial Monitoring Remote Irrigation Systems
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