TTGO T-Call v1.4 ESP32 Wireless Module & SIM800L GPRS Module

₹1,999.00 ₹1,694.07
Availability: In stock
SKU
PRO1922

Description:

The TTGO T-Call is an ESP32 development board that combines a SIM800L GSM/GPRS module. Besides Wi-Fi and Bluetooth, you can communicate with this ESP32 board using SMS or phone calls. Additionally, you can connect the ESP32 to the internet using your SIM card. This is great for IoT projects that don’t have access to a nearby router via Wi-Fi. This next version of v1.3 has speaker pins and mic pins on them.

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、PWM、TV PWM、I2S、IRGPIO
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

 

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 meets 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/ios app
OS FreeRTOS

Package Includes:

1 x TTGO T-Call v1.4 ESP32 Wireless Module & SIM800L GPRS Module 

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