TTGO T-Call V1.4 SIM800L ESP32 Wireless Module SIM Antenna SIM Card Module WiFi Custom PCB pcba program oem odm
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TTGO T-Call V1.4 SIM800L ESP32 Wireless Module SIM Antenna SIM Card Module WiFi Custom PCB pcba program oem odm

$18.10
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  Note: Due to price of CP210X chip increase.We recommend CH9102 Version which is the replace one. If you still need CP210X version, Please contact us before placing an order. 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 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*8.06

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