TTGO T-Call V1.4 ESP32 vezeték nélküli modul SIM antenna SIM kártya SIM800L modul és GSM/GPRS antenna arduinohoz
TTGO T-Call V1.4 ESP32 Wireless Module SIM Antenna SIM Card SIM800L Module And GSM/GPRS Antenna for arduino
Product Description
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
 
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 0.4S 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
 
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/OTAThrough 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
 
More Information:https://github.com/Xinyuan-LilyGO/TTGO-T-Call
 
4000480236143 - advanced