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TTGO ESP32 with GPRS SIM800

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Price:
$45.95
SKU:
WIR-CB3400
Current Stock:
10
Quantity:


Product Description

A great option for applications that require connectivity redundancy, since with this ESP32 you can establish connections via Bluetooth, Wifi or 2G GSM / GPRS networks. With USB-C connector and a boost converter that will control the power and battery charge managed by the integrated IP5306 with controllable behavior through I2C

Hardware Specifications

  • Chipset:ESPRESSIF-ESP32 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor
  • FLASH:QSPI flash 4MB / PSRAM 8MB
  • SRAM : 520kB 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 1.1mA
  • SIM card: Only supports Nano SIM card
  • Working temperature range:-40℃ ~ +85℃
  • Size&Weight:78.83mm28.92mm8.06mm(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

GPRS

Band: quad-band GSM/GPRS

Frequency: GSM850MHz, EGSM900MHz, DCS1800MHz and PCS1900MHz

Transmitting power: 

    • Class 4 (2W) at GSM 850 and EGSM 900 z
    • Class 1 (1W) at DCS 1800 and PCS 1900

GPRS connectivity: GPRS multi-slot class 12(default)

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

Pinout Description

// TTGO T-Call pins
#define MODEM_RST            5
#define MODEM_PWKEY          4
#define MODEM_POWER_ON       23
#define MODEM_TX             27
#define MODEM_RX             26
#define I2C_SDA              21
#define I2C_SCL              22

Recommended Libraries: https://github.com/vshymanskyy/TinyGSM

Basic Usage examples: https://github.com/CRCibernetica/TTGO-T-Call-Examples

Advanced examples: https://github.com/Xinyuan-LilyGO/LilyGo-T-Call-SIM800/tree/master/examples


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