TTGO T-Call V1.3 ESP32 Wireless Module SIM Antenna SIM Card SIM800L Module GSM/GPRS

TTGO T-Call V1.3 ESP32 Wireless Module SIM Antenna SIM Card SIM800L Module GSM/GPRS

Product Code: COM-0253
Availability: 2-3 Days
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Product Description

Product Description

Hardware Specifications  

Chipset ESPRESSIF-ESP32 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor



Button Reset

USB to TTL CP2104

Modular interface UART、SPI、SDIO、I2C、PWM、TV PWM、I2S、ADC

On-board clock 40MHz crystal oscillator 

Working voltage 2.7V-3.6V

Working current About 70mA

Sleep current About 1.1mA

SIM card Only supports Nano SIM card

Working temperature range -40℃ ~ +85℃

Size&Weight 78.83mm*28.92mm*8.06mm(11.77g)

Power Supply Specifications  

Power Supply USB 5V/1A

Charging current 500mA

Battery 3.7V lithium battery

JST Connector 2Pin 1.25mm

USB Type-C


Standard FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC(esp32 chip)

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


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



More Information:

T-Call V1.3 Pin Diagram:

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