Fangrui Product Details Description: Dominant Frequency: 240mhz; Flash: 32m-bits Processor: Tensilica Lx6 Dual Core; Master Chip: Esp32 Lora Chip: Sx1276 Sx1278; Support Frequency Band: 868-915mhz/433mhz Open Communication Distance: 2.8km; Computing Capacity: Up To 600dmips Dual-mode Bluetooth: Traditional Bluetooth And Ble Low-power Bluetooth; Development Environment: Support For Operating Voltage: 3.3-7v Operating Temperature Range: -40-90 Receiver Sensitivity: -139dbm (sf12, 125khz) Udp Continuous Throughput: 135mbps Usb Adapter Chip: Cp2102 Support Mode: Sniffer, Station, Softap And Wi-fi Direct Transmit Power: 19.5dbm@11b, 16.5dbm@11g, 15.5dbm@11n Data Rate: 150mbps @ 11n Ht40, 72mbps @ 11n Ht20, 54mbps @ 11g, 11mbps @ 11b Color: As Shown Material: Pc+metal Package Contents: 1 X Oled Display Bluetooth Wifi Kit Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The