ILYGO® TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board
ILYGO® TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board |
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https://bogza.ro/index.php/ILYGO%C2%AE_TTGO_T-Call_V1.3_ESP32_Wireless_Module_GPRS_Antenna_SIM_Card_SIM800L_Board |
Features
More Information: https://github.com/Xinyuan-LilyGO/TTGO-T-Call
Package includes:
- 1 x T-Call V1.3
- 1 x Power cord
- 2 x Pin header
- 1 x GPRS antenna (9cm)
Schematic
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 0.4μS Protection interval
- Frequency range 2.4GHz~2.5GHz(2400M~2483.5M)
- Transmit Power 22dBm
- Communication distance 300mbluetooth
- 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