1、Protocol 8011 b / g / n / e / i (8011n, rate up to 150Mbps) A-MPDU and A-MSDU aggregation, support 0.4μS guard interval. 2、The protocol complies with the Bluetooth v2BR / EDR and BLE standards. 3、RF NZIF receiver Class-1, Class-2 and Class-3 transmitter AFH with -98dBm sensitivity, audio CVSD and SBC audio. 4、With high specification process, carefully welded, precise hole position, full-featured. 5、Mini size, compact and convenient, embedded, very convenient to install. 1 x Development Board1 x Antenna1 x Power Cord Item Type: ModuleHardware Specifications:Chipset: ESPRESSIF-ESP32-PCIO-D4240MHz for Xtensa Single/Dual Core 32-Bit LX6 MicroprocessorFLASH: QSPI Flash / SRAM up to 4 x 16 MBSRAM: 520 kB SRAMKEY: Reset, IO32Display: 0.91 SSD1306Power Indicator Light: RedUSB to TTL CP2104Camera: OV2640 2MPSteering Engine: Analog ServoOnboard Clock: 40MHz Crystal OscillatorWorking voltage: 2.3V- 3.6VWorking Current: About 160mAOperating Temperature Range: -40 ° C ~ + 85 ° CPower Supply Specifications:Power: USB: 5V / 1ACharging Current: 1ABattery: 3.7V Lithium BatteryWIFI Description:Standard: FCC / CE / TELEC / KCC / SRRC / NCCProtocol: 802.11 B / G / N / E / I ( 802.11n, Rate up to 150Mbps) A-MPDU and A-MSDU aggregation, support 0.4μS Protection IntervalFrequency Range: 2.4GHz~ 2.5GHz (2400M~ 2483.5M)Transmitting Power: 22dBmCommunication Distance: Approx. 300 Meters / 984ftBluetooth Instructions:The protocol complies with the Bluetooth v 4.2BR / EDR and BLE standardsRF NZIF Receiver with Class-98dBm Sensitivity Class-1, Class-2 and Class-3 Transmitter AFH, Audio CVSD and SBC AudioSoftware Specification:Wifi Mode: station / SoftAP / SoftAP + station / P2PSecurity Mechanism: WPA / WPA2 / WPA2-Enterprise / WPSEncryption Type: for AES / RSA / ECC / SHAFirmware Upgrade: UART download / OTA (download and write firmware via network / host)Software Development: Supports cloud server development / SDK for user firmware developmentNetwork Protocol: For IPv4 / IPv6 / SSL / TCP / UDP / HTTP / FTP / MQTTUser Configuration: AT + Instruction Set, Cloud Server, for Android / iOS appOS: For FreeRTOS