Ttgo T-energy 8mbyte Psram Esp32-wrover-b Wifi Bluetooth Module D

Description TTGO T-Energy 8MByte PSRAM ESP32-WROVER-B WiFi Bluetooth Module Development Board SD998Description:Specfication:FLASH: QSPI 4MB Flash / 8MB PSRAMSRAM : 520 kB SRAMKEY: reset,BOOTSwitch: BAT switchPower indicator lamp: redUSB to TTL: CP2104Modular interface: SD card, UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor touchsensor, ADC, DACLNA pre-amplifieron-board clock: 40MHz crystal oscillator Working voltage: 2.3V-3.6VWorking current: about 40mASleep current: 1mAWorking temperature range: -40- 85 degCSize: 91.10mm x 32.75mm x 19.90mmPower Supply Specifications: Power Supply: USB 5V/1ACharging current: 1000mABattery: 3.7V batteryWi-Fi: DescriptionStandard: FCC/CE/TELEC/KCC/SRRC/NCCProtocol: 802.11 b/g/n/e/i (802.11n,speed up to150Mbps)A-MPDU and A-MSDU polymerization,support 0.4S Protection intervalFrequency range: 2.4GHz~2.5GHz(2400M~2483.5M)Transmit Power: 22dBmCommunication distance: 300mBluetooth: DescriptionProtocol: meet bluetooth v4.2BR/EDR and BLE standardRadio frequency: with -98dBm sensitivity NZIF receiver Class-1,Class-2Class-3 emitter AFHAudio frequency: CVSDSBC audio frequency Package Includes:1 x WiFi Bluetooth Module 2 x Pins