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The main parameters Value Remark Working frequency 862~931 MHz Support ISM frequency band Max TX power 20 dBm - Receiving sensitivity -147 dBm The sensitivity test condition is airspeed 0.3kbps,coding rate 4/5,spreading factor 12 Air data rate 0.018k~37.5kbps(LoRa) User programmable customization 1.2k~300kbps(GFSK) Reference distance 5000米 Clear and open, antenna gain 5dBi, antenna height 2.5 meters,air rate 1kbps The main parameters Value Remark Dimensions 15 * 15 mm Antenna interface Stamp hole Equivalent impedance is about 50Ω Communication Interface SPI 0-10Mbps Packaging method SMD The main parameters Min. Typical Max. Unit Remark Working voltage 2.3 3.3 3.6 V ≥3.3V can guarantee output power Communication level - 3.3 - V Using 5V TTL is risky to burn Emission current - 135 - mA Instantaneous power consumption Receiving current - 12.6 - mA - Sleep current - 2 - μA Software shutdow Working temperature -40 20 85 ℃ - 
