TTGO T-Call V1.4 SIM800L ESP32 Wireless Module SIM Antenna SIM Card Module WiFi Custom PCB pcba program oem odm
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*8.06mm(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 interval Frequency range 2.4GHz~2.5GHz(2400M~2483.5M) Transmit Power 22dBm Communication distance 300m Blth Protocol meet blth 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 Connect the power supply, click to start, after start, click to reset,clicktwice to shut down. Note： Due to working mode of IP5306 chip,will restart when switching the power supply mode,If require application scenario ,recommend to buy AXP192@PMU version. CH9102 V1.4 Version 1 X T-Call CH9102 V1.4 Version 1 X Power Cable(PH 2pin 2.0mm) 1 X SIM Antenna(7 cm) 2 X Pin