LILYGO® TTGO T-Call V1.4 SIM800H Development Board ESP32 Wireless Module SIM Antenna WiFi bluetooth Expand Board for Arduino

• weight: 485 g

Specification:

Chipset: ESPRESSIF-ESP32 240MHz Xtensa single/dual-core 32-bit LX6 microprocessor
Flash: QSPI flash 4MB
SRAM: 520 kB SRAM / PSRAM 8MB
Button: Reset
USB to TTL: CP2104
Modular Interfaces: UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor touch sensor, ADC
On-board Clock: 40MHz crystal oscillator
Working Voltage: 2.7V-3.6V
SIM Card: Only supports Nano SIM card
Working Temperature Range: -40°C to +85°C
Size & Weight: 75.15 x 30.64 x 10.70mm (14.5g)
Wi-Fi Mode: Station/SoftAP/SoftAP+Station/P2P
Security Mechanism: WPA/WPA2/WPA2-Enterprise/WPS
Encryption Type: AES/RSA/ECC/SHA
Firmware Upgrade: UART download/OTA (Over-the-Air) for firmware updates
Software Development: Supports cloud server development and SDK for user firmware development
Networking Protocol: IPv4, IPv6, SSL, TCP/UDP/HTTP/FTP/MQTT
User Configuration: AT+ instruction set, cloud server, Android/iOS app
Operating System: FreeRTOS

Features:

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 wireless communication options for data transfer and connectivity.
4. Firmware Upgrade and Software Development: The board supports both UART download and OTA firmware upgrade methods, making it easy to update the firmware. It also provides software development options, including cloud server development and SDK for user firmware development.
5. Extensive Networking Capabilities: The board supports various networking protocols such as IPv4, IPv6, SSL, TCP/UDP, HTTP, FTP, and MQTT, enabling seamless integration into different network environments.

Package Include:

1 X T-Call SIM800H

1 X Power Cable (PH 2pin 2.0mm)
1 X SIM Antenna (7cm)
2 X Pin