Features: Modular interface: UART, SPI SDIO, I2C LED PWM, TV, PWM, I2S, IRGPIO, Capacitor, Touch, Sensor, ADC, DACLNA, Preamplifier. WiFi supports FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC. The WiFi communication distance is up to 300 meters and the transmission power is 22dBm. Compliant with Bluetooth V4.2BR / EDR and BLE standards, sensitivity is -97dBm. NZIF Receiver Class-1, Class-2 and Class-3 Transmitter AFH. Support network IPv4/IPv6/SSL.TCP/UDP/HTTP/FTP/MQTT. Specifications: Material: PCB Size: Approx. 6.5*3.2*1.6cm/2.56*1.26*0.63inch Chipset: Micro32 FLASH: QSPI Flash 4MB/PSRAM 8MB SRAM: 520kB SRAM Button: reset, I036 Extended function: VGA, PS/2 USB To TTL: CP2104 Modular interface: UART, SPI SDIO, I2C LED PWM, TV, PWM, I2S, IRGPIO, Capacitance Touching Sensor, ADC, DACLNA, preamplifier Onboard clock: 40MHz crystal oscillator Working voltage: 2.7-3.6V Working current: Approx. 30mA Sleeping current: 230uA Operating temperature range: -40-85°C WiFi Instructions: Standard: FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC Protocol: 802.11b/g/n (802.11n, speed up to 150Mbps) A-MPDU and A-MSDU aggregation, support 0.4uS guard interval Frequency range: 2.4GHz~2.5GHz(2400M-2483.5M) Transmitted power: 22dBm Communication distance: 300m/984.25ft Bluetooth Instructions: Protocol: Compliant with Bluetooth V4.2BR/EDR and BLE standards RF: Sense NZIF Receiver Class-1, Class-2 and Class-3 Transmitter AFH with a sensitivity of -97dBm Audio: CVSD And SBC Audio Software Specification: WiFi Mode: Station/SoftAP/SoftAP + Station/P2P Security mechanism: WPA/WPA2/WPA2-Enterprise/WPS Encryption Type: AES/RSA/ECC/SHA Firmware upgrade: UART download/OTA (download and write firmware via network/host) Software development: Support Cloud Server Development/SDK for User Firmware Development Networking protocol: IPv4/IPv6/SSL.TCP/UDP/HTTP/FTP/MQTT User Configuration: AT + instruction set, cloud server, for Android/iOS app OS: Suitable for FreeRTOS Package list: 1 x VGA32 Control Module . Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.