With low core 32-bit CPU, can be used as application processorMain frequency up to 240 MHz, computing up to 600 DMIPSBuilt-in 520 KB SRAM, external 4M PSRAMSupport UART / SPI / I2C / PWM / ADC / DAC and other interfacesHome smart device transferSupport picture WiFi upload.Support TF card.Support multiple sleep modes.Integrated Lwip and FreeRTOS.Support STA / / STA + working mode.Supports Smart Config / AirKiss network configuration.Supports secondary development.Supports OV2640 and OV7670 cameras, built-in flash.Frequency range: 2400 ~ 2500/5100 ~ 5800 MHz.VSWR less than equal 2.0.Gain: 8 DBIInput impedance: 50 ohm.Maximum input : 50 W.Input connector: SMA plug.Cable length: 158 mm.Operating temperature: -40 Celsius to +85 Celsius.Humidity: 20 ~ 80%.Wireless surveillanceSmart agricultureWireless QR detection.Wireless transmissionColour:blackMaterial:plasticPackage Contents:1 x Mini WiFi + Bluetooth module1 x OV2640 camera.1 x 8dBi band antenna.1 x 20 cm IPEX to RP-SMA pigtail cable.Only the above package content, other products are not included.Note: Light 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.