Description:

• ChipsetESPRESSIF-ESP32 240MHz Xtensa single-/dual-core 32-bit LX6 microprocessor
• FLASHQSPI flash 4MB / PSRAM 8MB
• SRAM 520 kB SRAM
• ButtonReset
• USB to TTLCP2104
• Modular interfaceUART、SPI、SDIO、I2C、PWM、I2S、ADC
• On-board clock40MHz crystal oscillator
• Working voltage2.7V-3.6V
• Working currentAbout 70mA
• Sleep currentAbout 1.1mA
• SIM cardOnly supports Nano SIM card
• Working temperature range-40℃ ~ +85℃
• Size&Weight78.83mm*28.92mm*8.06mm(11.77g)
• Power Supply Specifications
• Power SupplyUSB 5V/1A
• Charging current500mA
• Battery3.7V lithium battery
• JST Connector2Pin 1.25mm
• USBType-C
• Wi-Fi: StandardFCC/CE-RED/IC/TELEC/KCC/SRRC/NCC(esp32 chip) Protocol802.11 b/g/n(802.11n，speed up to150Mbps)A-MPDU and A-MSDU polymerization，support 0.4μS Protection interval
• Frequency range2.4GHz~2.5GHz(2400M~2483.5M)
• Transmit Power22dBm
• Communication distance300m
• Bluetooth: Protocolmeet bluetooth v4.2BR/EDR and BLE standard
• Radio frequencywith -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH
• Audio frequencyCVSD&SBC audio frequency

Software specification

• Wi-Fi ModeStation/SoftAP/SoftAP+Station/P2P
• Security mechanismWPA/WPA2/WPA2-Enterprise/WPS
• Encryption Type AES/RSA/ECC/SHA
• Firmware upgradeUART download/OTA（Through network/host to download and write firmware）
• Software DevelopmentSupport cloud server development /SDK for user firmware development
• Networking protocolIPv4、IPv6、SSL、TCP/UDP/HTTP/FTP/MQTT
• User ConfigurationAT + Instruction set, cloud server, android/iOSapp
• OSFreeRTOS

More Information:

https://github.com/Xinyuan-LilyGO/TTGO-T-Call