Custom TTGO T-Call V1.4 / V1.5 ESP32 Wireless Module SIM Antenna SIM Card SIM800L Module Manufacturer
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Custom TTGO T-Call V1.4 / V1.5 ESP32 Wireless Module SIM Antenna SIM Card SIM800L Module Manufacturer

$100.00
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      Product Description 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 TT CP2104 or CH9102F QFN24 or CH340K Modular interface UART,SPI,SDIO,I2C,PWM,I2S,ADC On-board clock 40MHz crystal oscillator Working voltage 2.7V-3.6V Working current About 70mA Sleep current About 1.1mA 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 2.0mm 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 interva

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