T-SIM A7670G A7670E A7670SA ESP32 S3 SIM Card Wireless Communication Development Board 4G LTE Bluetooth 5.0 Dual Type-C IoT Module Support GSM/GPRS/EDGE

Specification:
Product Name: Wireless Communication Development Board
MCU: ESP32-S3
LTE & GSM Module: A7670G
TF Card Slot: Supported
CPU Clock Speed: 240MHz
Flash: 16MB
PSRAM: 2MB
WiFi: 802.11 b/g/n
Bluetooth: Bluetooth 5.0 LE
Peripheral Interfaces: I2C, SPI, UART, SDIO, I2S, CAN
Form Factor: LCC + LGA, 124Pin
Region: Global
Module Size: 24.0 x 24.0 x 2.3mm
Board Size: 111 x 33 x 20mm
USB Port: 2 x Type-C USB
SIM Card: SIM card slot onboard
Battery Holder: 18650 battery holder onboard
Solar Input: 5V~6V
Camera Slot: Supported, camera sold separately
STEMMA QT / Qwiic: 2 x JST-SH 1.0mm 4-pin connectors
Buttons: Boot + Reset + 1 additional button
LTE-FDD Bands: B1 / B2 / B3 / B4 / B5 / B7 / B8 / B12 / B13 / B18 / B19 / B20 / B25 / B26 / B28 / B66
LTE-TDD Bands: B38 / B39 / B40 / B41
GSM Bands: 850 / 900 / 1800 / 1900MHz
LTE Speed: 10Mbps DL / 5Mbps UL
GPRS/EDGE: 236.8Kbps DL / 236.8Kbps UL
Protocols: TCP / IP / IPV4 / IPV6 / DNS / Multi-PDP / FTP / FTPS / HTTP / HTTPS
GNSS: Optional support according to version/package shown

Features:
1. ESP32-S3 + A7670G 4G solution for IoT, remote monitoring, smart control, and data transmission projects.
2. Global network support with wide LTE-FDD, LTE-TDD, and GSM band coverage.
3. Dual Type-C design separates modem update/programming functions for easier development and testing.
4. Built-in 18650 battery holder and solar input for portable and low-power application setups.
5. Expandable design with TF card slot, SIM card slot, optional camera interface, and STEMMA QT/Qwiic connectors.
6. Rich ESP32-S3 interfaces including I2C, SPI, UART, SDIO, I2S, and CAN for flexible peripheral connection.

Package Includes:
1 x Development Board  (GPS optional)