Feature:1. With complete WiFi and for Bluetooth protocol, measured communication distance in open area is 3.6KM (packet loss rate 0.3%)2. The thin, light and compact new model has more advantages, and has better performance after being optimized and upgraded in many aspects.3. The development board has a thin and petite body, and his application can be seen in multiple scenes and various smart scenes.4. Great workmanship, can perfectly meet your needs, with good performance5. With strict quality control and quality assurance, can be used with peace of mindSpecification:Item Type: Development BoardSpecification:Main Frequency: 240MHzFLASH: 8MbyteProcessor: For Tensilica LX6 dual-coreMain Control Chip: ESP32LoRa Chip: S1276Support Frequency Band: 868-915MHzOpen Communication Distance: 3.6KMHigh Computing Power: 600DMIPSDual-mode for Bluetooth: Traditional for Bluetooth and BLE for Bluetooth low energyOperating Voltage: 3.3~7V Operating Temperature Range: -40~90Receiver Sensitivity: -139dbm (SD12, 125KHz)UDP Ruler Continuous Throughput: 135MbpsSupport Mode: Sniffer, Station, softAPAnd Wifi Direct.Package List:1 x Development Board Sx1276 Esp32 Chip 1 x Pin Sticker1 x Pin Header1 x Antenna2 x Washer