TTGO T-Call V1.3 ESP32 Wireless Module FPC Antenna SIM Card SIM800L Module,Default NO5247

Features:

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 touches 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 Nanos SIM card

Working temperature range:-40centigrade ~ +85centigrade

Size&Weight:78.83mm*28.92mm*8.06mm

Power Supply Specifications    

Power Supply:USB 5V/1A

Charging current:500mA

Battery:3.7V battery

JST Connector:2Pin 1.25mm

USB:Type-C

Wi-Fi

Standard:FCC/CE-RED/ICs/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 Description

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 networks/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

We confidently assure you'll be satisfied with what you get.However, If  there's a chance that you are not satisfied with our goods or something else, please let us know before leaving us a Negative feedback. We will try our best for 100% customer satisfaction. Your 5-Star Positive Feedback is much appreciated to us, and your satisfaction is our greatest motivation to move forward.Welcome to Shop Here! Want more Items? Please come & visit our SHOP.

*Shipping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 5 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer).Your satisfaction is our first priority.

*If you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.