LILYGO TTGO T-Call & PMU ESP32 Wireless SIM Antenna SIM Card SIM800L Module
The TTGO T-Call from LilyGO is a microcontroller based on an ESP32 in combination with an SIM800L GSM GPRS module. The USB to serial converter makes it easy to program, even as an Arduino. The board has a USB-C connection with which it can be programmed and/or powered (the USB-C cable is not included).
Hardware Specifications | |
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 interface | UART、SPI、SDIO、I2C、PWM、I2S、ADC |
On-board clock | 40MHz crystal oscillator |
Working voltage | 2.7V-3.6V |
Working current | |
Sleep current | |
SIM card | Only supports Nano SIM card |
Working temperature range | -40℃ ~ +85℃ |
Size&Weight | 75.15*30.64*10.70mm(14.5g) |
Power Supply Specifications | |
Power Supply | USB 5V |
Charging current | The charging current is programmable and self-adjustable (default 500mA) |
Battery | 3.7V lithium battery |
JST Connector | 2Pin 2.0mm |
USB | Type-C |
Wi-Fi | Description |
Standard | FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC |
Protocol | 802.11 b/g/n(802.11n,speed up to150Mbps)A-MPDU and A-MSDU polymerization,support 0.4μS Protection interval |
Frequency range | 2.4GHz~2.5GHz(2400M~2483.5M) |
Transmit Power | 22dBm |
Communication distance | 300m |
Bluetooth | |
Protocol | meet bluetooth v4.2BR/EDR and BLE standard |
Radio frequency | with -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH |
Audio frequency | CVSD&SBC audio frequency |
Software specification | |
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(Through network/host to download and write firmware) |
Software Development | Support cloud server development /SDK for user firmware development |
Networking protocol | IPv4、IPv6、SSL、TCP/UDP/HTTP/FTP/MQTT |
User Configuration | AT + Instruction set, cloud server, android/iOSapp |
OS | FreeRTOS |
More information:
See the following page to get started with the board: TTGO-T-Call-ESP32
T-Call & PMU and T-Call V1.3 comparison:
AXP192 is the power supply used on the T-Call & PMU board. It is an upgraded version of T-Call V1.3:
In addition, you can also choose to purchase T-Call & PMU accessories to add your own.
Shipping List:
Brand | LilyGO |
Model | H428-Q166 |