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TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Module. Works on 2G Network Only [CMU TTGO T-CALL ESP32+SIM800L]
TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Module. Works on 2G Network Only [CMU TTGO T-CALL ESP32+SIM800L] TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Module. Works on 2G Network Only [CMU TTGO T-CALL ESP32+SIM800L] TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Module. Works on 2G Network Only [CMU TTGO T-CALL ESP32+SIM800L]

TTGO T-Call V1.3 ESP32 Wireless Module

TTGO T-Call V1.3 ESP32 Wireless Module

CMU TTGO T-CALL ESP32+SIM800L
TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Module. Works on 2G Network Only
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Specifications

Hardware Specifications

  • Chipset : ESPRESSIF-ESP32 240MHz Xtensa® single-/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°C ~ +85°C
  • Size&Weight : 78.83mmx28.92mmx8.06mm(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(esp32 chip)
  • 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

    • Shipping List

  • T-Call V1.3 x1
  • Power Cord x1
  • Pin Header x2
  • Gprs Antenna x17cm)
  • Power Cable x1

    • Downloads

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