1. WiFi LoRa 32 is a classic IoT dev-board, It's the best chooise for smart cities, smart farms, smart home and IoT makers.(Note: This item comes unassembled, soldering of headers is required. Lithium battery is not included.)      2. Microprocessor: ESP32 (dual-core 32-bit MCU + ULP core), with LoRa node chip SX1276/SX1278;clocked at 240MHz, computing power up to 600DMIPS.      3. Micro-USB interface with complete voltage regulator, ESD protection, short circuit protection, RF shielding and other protection measures;      4. Onboard SH1.25-2 battery interface, integrated lithium battery management system (charge and discharge management, overcharge protection, battery power detection, USB / battery power automatic switching);      5. Integrated WiFi, LoRa, Bluetooth three network connections, on-board Wi-Fi, Bluetooth dedicated 2.4GHz metal 3D antenna, reserved IPEX (U.FL) interface for LoRa use;            6. On-board 0.96-inch 128*64 dot matrix OLED display, which can be used to display debugging information, battery power and other information;      7. Integrated CP2102 USB to serial port chip, convenient for program downloading, debugging information printing;      8. Support the for Arduino development environment;      9. With good RF circuit design and basic low-power design (sleep current less than equal 800uA), it is convenient for IoT application vendors to quickly verify solutions and deploy applications;      Frequency: 433MHz      Operating voltage: 3.3V to 7V.      Operating temperature range: -40 ° C to + 90 ° C.      Supports Sniffer, Station, softAP and Wi-Fi Direct modes.      Transmit power: 19.5 dBm @ 11b, 16.5 dBm @ 11g, 15.5 dBm @ 11n.      Data rate: 150 Mbps @ 11n HT40,72 Mbps @ 11n HT20,54 Mbps @ 11g, 11 Mbps @ 11b.      Receiver sensitivity up to - 139 dBm.      UDP continues to throughput by 135 Mbps.      Material:PCB+metal      colour:white            Package Contents:      1 * WIFI LoRa 32 Development Board(Unsoldered)      1 * 433/470MHz Antenna      1 * Pin sticker      2 * Pin headers            Only the above package content, other products are not included.      Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.