TTGO T-Call V1.3 ESP32 Wireless Module FPC Antenna SIM Card SIM800L Module,Default NO5245

Features:

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、LED PWM、TV PWM、I2S、IRGPIO、capacitor touches 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 Nanos SIM card

Working temperature range:-40centigrade ~ +85centigrade

Size&Weight:78.83mm*28.92mm*8.06mm

Power Supply Specifications    

Power Supply:USB 5V/1A

Charging current:500mA

Battery:3.7V battery

JST Connector:2Pin 1.25mm

USB:Type-C

Wi-Fi

Standard:FCC/CE-RED/ICs/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 Description

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 networks/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

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