Version Information
CN warehouse:1.4V
USA, UK warehouse:1.3V
Feature
Hardware Specifications
Chipset:ESPRESSIF-ESP32 240MHz Xtensa 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
Protocol:802.11 b/g/n(802.11n, speed up to150Mbps)A-MPDU and A-MSDU polymerization, support 0.4┢S 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/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
More Information:https://github.com/Xinyuan-LilyGO/TTGO-T-Call
Package includes
1 x T-Call
1 x Power cord
2 x Pin header
1 x GPRS antenna (9cm)
Additional information
| Weight | 0.015 kg |
|---|
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