LILYGO TTGO T-Call & PMU ESP32 Wireless SIM Antenna SIM Card SIM800L Module

Item number 57867 Brand LilyGO Model H428-Q166 Share Write a review
LILYGO TTGO T-Call & PMU ESP32 Wireless SIM Antenna SIM Card SIM800L Module

Description Links

LILYGO TTGO T-Call & PMU ESP32 Wireless SIM Antenna SIM Card SIM800L Module

The TTGO T-Call from LilyGO is a microcontroller based on an ESP32 in combination with an SIM800L GSM GPRS module. The USB to serial converter makes it easy to program, even as an Arduino. The board has a USB-C connection with which it can be programmed and/or powered (the USB-C cable is not included).

Hardware Specifications
ChipsetESPRESSIF-ESP32 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor
USB to TTLCP2104
Modular interfaceUART、SPI、SDIO、I2C、PWM、I2S、ADC
On-board clock40MHz crystal oscillator
Working voltage2.7V-3.6V
Working current
Sleep current
SIM cardOnly supports Nano SIM card
Working temperature range-40℃ ~ +85℃
Power Supply Specifications
Power SupplyUSB 5V
Charging currentThe charging current is programmable and self-adjustable (default 500mA)
Battery3.7V lithium battery
JST Connector2Pin 2.0mm
Protocol802.11 b/g/n(802.11n,speed up to150Mbps)A-MPDU and A-MSDU polymerization,support 0.4μS Protection interval
Frequency range2.4GHz~2.5GHz(2400M~2483.5M)
Transmit Power22dBm
Communication distance 300m
Protocolmeet bluetooth v4.2BR/EDR and BLE standard
Radio frequencywith -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH
Audio frequencyCVSD&SBC audio frequency
Software specification
Wi-Fi ModeStation/SoftAP/SoftAP+Station/P2P
Security mechanismWPA/WPA2/WPA2-Enterprise/WPS
Encryption Type AES/RSA/ECC/SHA
Firmware upgradeUART download/OTA(Through network/host to download and write firmware)
Software DevelopmentSupport cloud server development /SDK for user firmware development
Networking protocolIPv4、IPv6、SSL、TCP/UDP/HTTP/FTP/MQTT
User ConfigurationAT + Instruction set, cloud server, android/iOSapp

More information:

See the following page to get started with the board: TTGO-T-Call-ESP32

T-Call & PMU and T-Call V1.3 comparison:

AXP192 is the power supply used on the T-Call & PMU board. It is an upgraded version of T-Call V1.3:

  1. Change the power IC to AXP192 PMU management, support coulomb counter and high precision voltage and current Test function.
  2. SIM800L RI Pin leads to ESP32, can accept voice or data calls, Wake up from received message.
  3. The SIM800L DTR Pin leads to SP32, which can wake up SIMM800L from sleep state.

In addition, you can also choose to purchase T-Call & PMU accessories to add your own.

Shipping List:

  • 1x TTGO T-Call SIM800L
  • 1x Male header set
  • 1x Battery cable
  • 1x Antenna with cable


Brand information
Brand LilyGO
€ 20,25€ 16,75 Excl. VAT (NL)
Expected delivery date: Tuesday 26 September. ... pieces in stock
Show volume discounts Shipped from € 3,50 (NL) 30 days cooling-off Excellent service

Alternative products

Customer questions

Customer Reviews

LILYGO TTGO T-Call & PMU ESP32 Wireless SIM Antenna SIM Card SIM800L Module Click a star to leave your review

Recently viewed items

Webwinkelkeur Kiyoh Trustpilot Opencircuit