TTGO T-Call V1.4 ESP32 Wireless Module SIM Antenna SIM Card SIM800L Module And GSM/GPRS Antenna for arduino

Description

Hardware Specifications

ESPRESSIF-ESP32 Chipset 32-bit Xtensa® single/dual core 240MHz LX6 microprocessor

4MB QSPI flash / 8MB PSRAM

520KB SRAM SRAM

Reset button

USB to TTL CP2104

Modular interface UART.SPI.SDIO.I2C.LED PWM.TV PWM.I2S.IRGPIO.capacitor touch sensor.ADC.DACLNA preamplifier

Onboard clock, 40MHz crystal oscillator

Operating voltage 2.7V-3.6V

Operating current about 70mA

Sleep current about 300uA

SIM card only supports Nano SIM card

Operating temperature range -40 ~ +85

Size and weight 78.83mm * 28.92mm * 8.06mm (11.77g)

Power Specifications

USB Power Supply 5V/1A

Charging Current 500mA

Battery 3.7V Lithium Battery

Connector JST 2Pin 1.25mm

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 to 150Mbps) A-MPDU and A-MSDU polymerization, support 0.4S protection interval

Frequency Range 2.4GHz~2.5GHz(2400M~2483.5M)

Transmission Power 22dBm

Communication Distance 300m

Bluetooth

Protocol Compliant with Bluetooth v4.2BR/EDR and BLE standards

Radio Frequency with sensitivity of -97dBm Receiver NZIF Transmitter AFH Class 1, Class 2 and Class 3

Audio Frequency Audio Frequency CVSD and SBC

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/OTAT Download via Network/Host to Download and Write Firmware

Software Development Support Cloud Server Development/SDK for User Firmware Development

Network Protocol IPv4.IPv6.SSL.TCP/UDP/HTTP/FTP/MQTT

User Configuration AT + Instruction Set, Cloud Server, Application Android/iOS

OS FreeRTOS

More information: https://github.com/Xinyuan-LilyGO/TTGO-T-Call