Description: The main chip uses Lexin ESP32, Tensilica LX6 dual-core processor. The main frequency is 240MHz, the computing power is up to 600DMIPS, the chip has 520 KB, 802.11 b / g / N Wi-Fi transceiver, baseband, protocol stack and LWIP. The product is based on WIFI 32 added SX1276 chip, namely LoRaTM remote modem, frequency 868 / 915MHz. Sensitivity is about -148dBm, power output + 20dBm, high reliability. Onboard 128MByte flash memory, Wi-Fi antenna, lithium battery charging circuit and interface, CP2102 USB to serial chip, perfect support for development environment. Specification: Material: PC Board Size: Approx. 52 x 25 x 8mm / 2.05 x 0.98 x 0.31inch Working voltage: 3.3V to 7V Support for Sniffer, Station, softAP and modes Data rate: 150Mbps @ 11n , 72Mbps @ 11n HT20, 54Mbps @ 11g, 11Mbps @ 11b Transmit power: 19.5dBm at 11.5dB, 16.5dBm at 11g, 15.5dBm at 11.5dB Receiver sensitivity up to -98 dBm UDP continues to throughput at 135 Mbps Package Includes: 1 Piece ESP32 868MHz Bluetooth WIFI Module 1 Piece Antenna 1 Piece Line 2 Pieces Pins Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.