TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Module And GSM/GPRS Antenna electric breast pump pcba
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TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Module And GSM/GPRS Antenna electric breast pump pcba

$18.40
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    LILYGO® TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Module And GSM/GPRS Antenna   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 TTL CP2104 Modular interface UART、SPI、SDIO、I2C、PWM、TV 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 1.25mm

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