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TTGO ESP32 Arduino GPRS Bluetooth WIFI Module TTGO by LilyGO WIFI TTGO-MODULE-ESP32-GPRS-896 View larger

TTGO by LilyGO


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T-CALL V1.4 TTGO ESP32 GPRS SIM800H Bluetooth WIFI module Arduino

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Arduino TTGO ESP32 T-Call V1.4 module with GPRS and SIM card support, based on the ESP32 microprocessor and with WIFI 802.11 b/g/n connection , Bluetooth 4.2 and GPRS SIM800H module.

Compatible with the Arduino development environment.

Supplied with: 1 TTGO LilyGO ESP32 T-Call v1.4 PCB module, 2 headers (for soldering), 1 GPRS PCB antenna with IPEX connector (U.FL), 1 power cable. USB-C cable not included (available as an option).

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20,13 € tax excl.

20,75 €

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Data sheet

Specifications ESP32 TTGO SIM GPRS

ChipsetESPRESSIF ESP32 240 MHz 32 bits
USB to TTLCP2104
InterfaceUART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, ADC, capacitor touch sensor, DACLNA pre-amplifier
DisplayIPS ST7789V 2.9cm (1.14 Inches)
Supply voltage2.7V to 4.2V
Working current67MA
Sleep current350uA
Operating temperature-40 ℃ ~ + 85 ℃
Size and Weight51.52*25.04*8.54mm (7.81g)
Power supplyUSB 5 V/1A
Charging current500mA
Battery3.7 V lithium battery (not supplied)
GPRS antenna connectorIPEX (UFL)
USB connectorType-C
WIFI protocol802.11 b/g/n
Frequency range2.4 GHz ~ 2.5 GHz (2400 - 2483.5 Mhz)
Transmission power20-22dBm - 100-158mW
GPRS SIM chipSIM800H module
Bluetooth protocolBluetooth v4.2 and BLE standard
Wi-Fi modeStation/SoftAP/SoftAP + Station/P2P
Wi-Fi securityWPA/WPA2/WPA2-Enterprise/WPS
Firmware updateBy UART/OTA download (via network/host)
Software developmentSupports cloud server/SDK development
Network protocolIPv4, IPv6, SSL, TCP, UDP, HTTP, FTP and MQTT

TTGO T-CALL GPRS SIM connection diagram

wiring SIM800H TTGO T-CALL GPRS former SIM800L

More information and documentation on Github :


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