ESP32 With Onboard SIM800L !

ESP32 With Onboard SIM800L !

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

Are you stuck with your project because of the limited WiFi range of ESP8266 or ESP32 or do want to place your project on a remote location, don’t worry here comes ESP32 With Onboard SIM800L. Now use a sim card with ESP32 for GPRS !!!

Hardware Specifications

Chipset ESPRESSIF-ESP32 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor
FLASH QSPI flash 4MB / PSRAM  8MB
SRAM 520 kB SRAM
Button Reset
USB to TTL CP2104
Modular interface UART、SPI、SDIO、I2C、LED PWM、TV PWM、I2S、IRGPIO、capacitor touch sensor、ADC、DACLNA  pre-amplifier
On-board clock 40MHz crystal oscillator 
Working voltage 2.7V-3.6V
Working current About 70mA
Sleep current About 300uA
SIM card Nano SIM card
Working temperature -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



Wi-Fi

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 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
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/ios app
OS FreeRTOS

T-Call V1.3 Pin Diagram




T-Call V1.3 Size Chart

 
Library for Arduino
 
Download SIM800L library for Arduino from GitHub 
 
 

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