TTGO T-Call V1.4 ESP32 Wireless Module SIM Antenna SIM Card SIM800H Module Unsoldered


Out of stock

Approx Restocking Date: 25 to 30 Days
SKU: 1031144
  1. Chipset :ESPRESSIF-ESP32 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor
  2. FLASH: QSPI flash 4MB / PSRAM 8MB
  3. SRAM:520 kB SRAM
  4. Button: Reset
  5. USB to TTL: CP2104
  6. Modular interface: UART,SPI,SDIO,I2C,PWM,TV PWM,I2S,IRGPIO
  7. On-board clock:40MHz crystal oscillator
  8. Working voltage:2.7V-3.6V
  9. Working current: About 70mA


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Brand: TTGO
Category: GPRS and GSM Modules
Tags: Bluetooth Module

This is a TTGO T-Call V1.4 ESP32 Wireless Module SIM Antenna SIM Card SIM800L Module Unsoldered. The module is used for wireless communication. The ESP V1.4 ESP32 Serial WIFI Wireless Transceiver Module is a self-contained SOC with an integrated TCP/IP protocol stack that can give any microcontroller access to your WiFi network.

This module has a powerful enough onboard processing and storage capability that allows it to be integrated with the sensors and other application-specific devices through its GPIOs with minimal development up-front and minimal loading during runtime.

Note : AM-036 printed on board working remains same.


  1. The SIM800H wireless communication module is integrated with an ESP32 chip with a dual-core 32-bit LX6 microprocessor.
  2. The SIM800H ESP32 wireless module needs a power supply of 5V/1A and has a Type C port.
  3. The ESP32 SIM800H wireless communication module features 802.11 b/g/n wifi protocol and Bluetooth v4.2BR/EDR and BLE standard protocol.
  4. This wireless communication module supports cloud server development and SDK for user firmware development.

Package Includes:

1 x TTGO T-Call V1.4 ESP32 Wireless Module SIM Antenna SIM Card SIM800H Module Unsoldered

SKU: 1031144 Category: Tag:

520 kB



On-board clock

40MHz crystal oscillator

Working voltage


Working current


SIM card

Only supports Nano SIM card

Power Supply




Operating Temperature (°C)

-40 to 85

Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.02 kg
Shipping Dimensions 9 × 5 × 1 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China