TTGO T-Call V1.3 ESP32 vezeték nélküli modul GPRS antenna SIM-kártya SIM800L modul
TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Module
T-Call V1.3规格：
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、LED PWM、TV PWM、I2S、IRGPIO、capacitor touch 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 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
USB

Type-C
Wi-Fi

Description
Standard

FCC/CE-RED/IC/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

Description
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 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
1005002324784893 - dingheke