Item Type: WiFi Chip Material: Brass + plastic Model: SX1278+ESP32 Dimensions Size: Approx. 50.2mm / 2in Approx. 25.5mm / 1in Approx. 18.56mm / 0.7in Approx. 27.28mm / 1.1in Approx. 33.28mm / 1.3in Approx. 2.54 x 17mm / 0.1 x 0.7in Approx. 9.74mm / 0.4in Approx. 5mm / 0.2in Main Frequency: 240MHz Flash Memory: 32M bits FLASH: 8 Mbyte Processor: For TensilicaLX6 dual-core Main Control Chip: ESP32 Support Frequency Band: 433-510MHz Open Communication Distance: Approx. 2.8KM / 9186.35ft Computing Power: 600DMIPS tall Dual-Mode for Bluetooth: Traditional for Bluetooth and for BLE low energy for Bluetooth Working Voltage: 3.3-7V Operating Temperature Range: -40～90℃ Receiver Sensitivity -139dbm (SD12, 125KHz) UDP Ruler Continuous Throughput: 135Mbps USB to Interface Chip: Cp2102 Support Mode: Sif Edition: Station, softAp and Wi-fi Direct 1、The WIFI Kit series is a newly developed cost?effective network program. The main chip adopts ESP32, LX6 dual?core processor, the main frequency is 240MHz, and the computing capacity is up to 600DMIPS. 2、The chip has a built?in 520 KB SRAM, 802.11 b / g / N HT40 Wi?Fi transceiver , Baseband, protocol stack and LWIP, integrated dual?mode for Bluetooth (traditional for Bluetooth and BLE low energy for Bluetooth). 3、This product is based on the SX1278 chip added by WIFI kit 32. Applicable frequencies: 433Hz and 510MMHz, about ?148dBm high sensitivity, +20 dBm power output, high reliability, transmission distance (measured open circuit) regional communication distance 2.8Km). 4、Onboard 32MByte flash memory, Wi-Fi antenna, 0.96 inch blue OLED display, lithium battery charging circuit and interface, CP2102 USB to serial chip, can be very simple and fast for program verification and product development 5、Use scenario: This development board has a thin and petite figure, and it can be used in multiple smart scenarios, such as smart cars, smart agriculture, robot control, equipment monitoring, etc. 1 x Development Board 2 x Pin 2 x Pin Paste 1 x Antenna