2X LILYGO TTGO T-Call ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board

Description

2Pcs LILYGO TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board
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 0.4μS 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
More Information:
Ask seller for user manuals , files and recommended a
ccessories
Package includes:
2 x T-Call V1.3
2 x Power cord
4 x Pin header
2 x GPRS antenna (9cm)