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New TTGO T-Call V1.3 ESP32 Wireless Module & SIM800L GPRS Module (with Antenna)
Product Images shown are for illustrative purposes only and may differ from the actual Product. Due to differences in PCB manufacturers, colours, pin mappings, markings & packaging of products/PCBs may also differ from those shown above.

This is a custom ESP32 (ESP-WROVER-B 8MB PSRAM) based development board with an onboard 2G/GPRS Module SIM800L. The USB Type C pluggable board also has an onboard LiPo Battery Charging Circuit & Connector and is a good choice for building IoT applications.


Hardware Specifications 
ChipsetESPRESSIF-ESP32 240MHz Xtensa® dual-core 32-bit LX6 microprocessor
USB to TTLCP2104
Modular interfaceUART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DACLNA  pre-amplifier
On-board clock40MHz crystal oscillator 
Working voltage2.7V-3.6V
Working currentAbout 70mA
Sleep currentAbout 300uA
SIM cardOnly supports Nano SIM card
Working temperature range-40℃ ~ +85℃
Power Supply Specifications 
Power SupplyUSB 5V/1A
Charging current500mA
Battery3.7V lithium battery
JST Connector2Pin 1.25mm
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 distance300m
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: https://github.com/Xinyuan-LilyGO/TTGO-T-Call

Package includes:


1 x T-Call V1.3
1 x Power cord
2 x Pin header
1 x GPRS antenna (9cm)

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TTGO T-Call V1.3 ESP32 Wireless Module & SIM800L GPRS Module (with Antenna)

If your required quantity is more than listed below, please ping us for lead time enquiry & to pre-order.
GST Invoice for Input Tax Credit.
  • Views: 9146
  • Product Code: TTGO-T-Call-V1.3
  • SKU: PL-0-1052
  • Availability: 1
  • Rs. 2,065.00
  • Exclusive of GST: Rs. 1,750.00

For bulk & volume priced Corporate/B2B/Academic orders, please contact us for Estimate.

Tags: SIM800L, ESP32

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