2pcs LILYGO® TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board

2pcs LILYGO® TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board - Trendha
2pcs LILYGO® TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board - Trendha
2pcs LILYGO® TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board - Trendha
2pcs LILYGO® TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board - Trendha
2pcs LILYGO® TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board - Trendha
2pcs LILYGO® TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board - Trendha

2pcs LILYGO® TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board

Regular price $82.99 USD Sale price $62.99 USD Save 24%
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      Feature:

      Hardware Specifications  
      Chipset ESPRESSIF-ESP32 240MHz Xtensa® 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℃ ~ +85℃
      Size&Weight 78.83mm*28.92mm*8.06mm(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
      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

      More Information: https://github.com/Xinyuan-LilyGO/TTGO-T-Call

      Package includes:


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














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