Description
Feature:Hardware Specifications ChipsetESPRESSIF-ESP32 240MHz Xtensa® dual-core 32-bit LX6 microprocessorFLASHQSPI flash 4MB / PSRAM 8MBSRAM 520 kB SRAMButtonResetUSB to TTLCP2104Modular interfaceUART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DACLNA pre-amplifierOn-board clock40MHz crystal oscillator Working voltage2.7V-3.6VWorking currentAbout 70mASleep currentAbout 300uASIM cardOnly supports Nano SIM cardWorking temperature range-40? ~ +85?Size&Weight78.83mm*28.92mm*8.06mm(11.77g)Power Supply Specifications Power SupplyUSB 5V/1ACharging current500mABattery3.7V lithium batteryJST Connector2Pin 1.25mmUSBType-CWi-Fi StandardFCC/CE-RED/IC/TELEC/KCC/SRRC/NCCProtocol802.11 b/g/n(802.11n, speed up to150Mbps)A-MPDU and A-MSDU polymerization, support 0.4?S Protection intervalFrequency range2.4GHz~2.5GHz(2400M~2483.5M)Transmit Power22dBmCommunication distance300mbluetooth Protocolmeet bluetooth v4.2BR/EDR and BLE standardRadio frequencywith -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFHAudio frequencyCVSD&SBC audio frequencySoftware specification Wi-Fi ModeStation/SoftAP/SoftAP+Station/P2PSecurity mechanismWPA/WPA2/WPA2-Enterprise/WPSEncryption Type AES/RSA/ECC/SHAFirmware upgradeUART download/OTA(Through network/host to download and write firmware)Software DevelopmentSupport cloud server development /SDK for user firmware developmentNetworking protocolIPv4, IPv6, SSL, TCP/UDP/HTTP/FTP/MQTTUser ConfigurationAT + Instruction set, cloud server, android/iOSappOSFreeRTOS
More Information: https://github.com/Xinyuan-LilyGO/TTGO-T-Call
Package includes:
2 x T-Call V1.32 x Power cord4 x Pin header2 x GPRS antenna (9cm)