LILYGO® TTGO T-Call V1.4 SIM800H Development Board ESP32 Wireless Module SIM Antenna WiFi bluetooth Expand Board for Ard
Description
Specification Chipset ESPRESSIF ESP32 240MHz Xtensa single dual core 32 bit LX6 microprocessorFlash QSPI flash 4MBSRAM 520 kB SRAM PSRAM 8MBButton ResetUSB to TTL CP2104Modular Interfaces UART SPI SDIO I2C LED PWM TV PWM I2S IRGPIO capacitor touch sensor ADCOn board Clock 40MHz crystal oscillatorWorking Voltage 2 7V 3 6VSIM Card Only supports Nano SIM cardWorking Temperature Range 40°C to 85°CSizeWeight 75 15 x 30 64 x 10 70mm 14 5g Wi Fi Mode Station SoftAP SoftAP Station P2PSecurity Mechanism WPA WPA2 WPA2 Enterprise WPSEncryption Type AES RSA ECC SHAFirmware Upgrade UART download OTA Over the Air for firmware updatesSoftware Development Supports cloud server development and SDK for user firmware developmentNetworking Protocol IPv4 IPv6 SSL TCP UDP HTTP FTP MQTTUser Configuration AT instruction set cloud server Android iOS appOperating System FreeRTOSFeatures 1 High Performance Microprocessor The ESPRESSIF ESP32 240MHz Xtensa single dual core 32 bit LX6 microprocessor provides powerful processing capabilities for efficient and reliable performance in various applications 2 Flexible Connectivity The board offers a wide range of modular interfaces including UART SPI SDIO I2C LED PWM TV PWM I2S IRGPIO capacitor touch sensor and ADC allowing for versatile and customizable connectivity options 3 Reliable Wireless Communication The board supports multiple Wi Fi modes and security mechanisms providing secure and reliable
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