ESP32 cam Microcontroller + camera module

Specification:
Model: HW-818
Supply Voltage: 5V
SPI Flash: 32M Bit
RAM: Internal 520KB + External 4M PSRAM
Bluetooth: 4.2 BR/EDR, BLE Standard
WiFi: 802.11 b/g/n/e/i
Interface: UART, SPI, I2C PWM
TF Card: Max. 4G
IO Port: 9
Serial rate: 115200 bps
Picture form: JPEG(only OV2640 support), BMP, GRAYSCALE
Frequancy range: 2412 -2484MHz
Antenna: Onboard PCB antenna, ±2dBi
Size: 27*48.5*4.5mm

Transmit power:
802.11b: 17±2 dBm(@11Mbps)
802.11g: 14±2 dBm(@54Mbps)
802.11n: 13±2 dBm(@MCS7)