Pre-purchase Note:
According to rules and regulations enforced by PTA, we cannot register any GSM module including ESP32 SIM800L GSM Module by ourselves. Customer has to register the module by itself and have to pay the fee by visiting any Bank or via Internet Banking / ATM / Mobile Banking etc. to Government additional to the price paid to us. Registration procedure is very easy and PTA has provided a DIRBS Step by Step Guide for more information.
ESP32 SIM800L GSM Module, also know as TTGO T-Call V1.3 is a featured development board from TTGO combining the Latest ESP32 ESP-WROOM-32D and SIM800L GSM GPRS on a single board. Which means that we can get WiFi, Bluetooth BLE, GSM, GPRS functionality from a single module.
ESP32 SIM800L GSM Module Features & Specifications:
Hardware Specifications | |
Chipset | ESPRESSIF-ESP32 240MHz Xtensa® 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 | 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 | 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 |
Pinout Diagram:
Product Dimension:
Package includes:
- T-Call V1.4 X 1
- Power cord X 1
- Pin header X 2
- GPRS antenna (9cm) X 1
Verified review - view original
Verified review - view original
Test sketch confirmed the functionality. Recommended!!
Verified review - view original