ESP32-S3 A7670E 4G Development Board, LTE Cat-1 / 2G / WiFi / Bluetooth / Telephone Call / SMS / GNSS Positioning Support, Suitable For 4G Portable WiFi, Onboard Camera / Speaker / Antenna

User Manual / Datasheet / Example Codes Etc.

• Adopts ESP32-S3R2 chip with high-performance Xtensa® 32-bit LX7 dual-core processor, capable of running at 240 MHz
• Built in 512KB SRAM, 384KB ROM, 2MB of PSRAM, and 16MB Flash memory
• Integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication, featuring superior RF performance
• Equipped with the A7670E-FASE cellular module, supports 4G Cat-1/2G networking, GNSS positioning, telephone calls, SMS, and other functions
• Onboard USB switching IC and DIP switch for switching to use the USB interface of A7670E, suitable for connecting with PC for dial-up internet or debugging of A7670E module
• Onboard lithium battery charging, solar charging, power management, battery capacity measurement, and related protection circuits, supports USB and solar charging with real-time battery capacity measurement
• Onboard 18650 battery holder (18650 battery is NOT included), adapting VBAT pin header for connecting to external 3.7V lithium battery, with anti-reverse protection
• Rich peripheral interfaces such as camera interface, TF card slot, USB port, 38PIN header, etc., easy to expand and achieve various functions
• Onboard multiple DIP switches for camera on/off, switching USB channels to avoid interface conflict, and setting power on/off for some circuits to reduce power consumption
• Comes with GNSS high-precision ceramic antenna, OV2640 camera, mini speaker, acrylic case, etc., easy to develop various applications
• Comes with online development resources and manual (including tutorials, demos for 4G portable WiFi and other IoT examples)

Specifications

COMMUNICATION PARAMETERS

• Frequency Band : LTE-FDD: B1, B3, B5, B7, B8, B20
• Data Transmission : ≤5Mbps(UL),  ≤10Mbps(DL)
• GNSS : GPS, BeiDou, GLONASS

OPERATING PARAMETERS

• Power supply method : USB port, 18650 lithium battery holder (18650 battery is NOT included), pin header
• Power input : 5V (USB port / 5V pin header) 3.7~4.2V (18650 lithium battery holder / VBAT pin header)
• Logic Level : 3.3V

Package Includes

• ESP32-S3-A7670E-4G x1
• Transparent acrylic case and screws pack x1
• GNSS ceramic antenna x1
• OV2640 camera x1
• 8Ω 2W 2030 speaker x1
• 40PIN yellow straight pin header x1
• USB Type-A to Type-C cable 1m x1
• FPC antenna x1
• Screwdriver x1
• 2P screw terminal x1
• Double-side tape (4PCS) x1

Provides Portable 4G WiFi Solution

Supports Charging Via Solar Panel Or USB Port

 

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