TTGO T-Call V1.4 CH9102F ESP32 Wireless Module SIM Antenna SIM Card SIM800L/SIM800H Module And GSM/GPRS Antenna for arduino

The SIM800L Module is a compact and versatile GSM/GPRS module that offers reliable and efficient communication capabilities. It supports quad-band GSM/GPRS network and can be easily integrated into various applications such as IoT devices, security systems, and remote monitoring systems. With its small form factor and low power consumption, this module is ideal for projects that require wireless connectivity in a space-constrained environment. It also features a built-in TCP/IP stack, allowing for seamless internet connectivity. The SIM800L Module is a reliable and cost-effective solution for wireless communication needs.

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 CH9102F

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

CH9102 V1.4 Version

• 1 X T-Call SIM800H (4MB or 8MB)

• 1 X Power Cable (PH 2pin 2.0mm)

• 1 X SIM Antenna (7cm)

• 2 X Pin

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ESP32 SIM800L Module and GSM/GPRS Antenna for arduino
lahiru Dhananjaya