| Brand: | Haitronic |
| Product Code: | HS1761 |
| Availability: | 99999 |
HS1761 TTGO T-Call V1.4 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Module
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 0.4μS 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 |
