Waveshare ESP32-S3 A7670E 4G Development Board
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- EU & US Countries Delivery Time: 10 working days.
- Other Countries Delivery Time: 15 working days.
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Waveshare ESP32-S3 A7670E 4G Development Board
Waveshare ESP32-S3-A7670E-4G is a multi-functional and high-performance microcontroller development board designed by Waveshare, build-in A7670E 4G communication module, onboard OV series camera interface, TF card slot, RGB colorful LED, 18650 battery holder (18650 battery is NOT included), battery voltage measurement IC, solar panel charging interface, and other peripherals. Adopts the ESP32-S3R2 chip, which integrates low-power WiFi and BLE 5.0, onboard external 16MB Flash and 2MB PSRAM, built-in hardware encryption accelerator, random number generator, HMAC, and digital signature module to meet the security requirements of the IoT. Equipped with A7670E Cat-1 4G communication module to achieve mobile network connection and meet the low-power requirements of IoT, mobile devices, outdoor monitoring, smart home, and other applications.
- 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 / OV5640 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 |
Multi Band and Multi regions Support, mainly applicable in Europe, Southeast Asia, West Asia, Africa, China, South Korea
* Please confirm the supported bands according to your local service provider
ESP32-S3 is connected to the A7670E via USB to enable 4G networking while simultaneously activating WiFi AP hotspot, allowing smartphones or other WiFi terminals to connect and access network
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
Making telephone call or sending SMS by AT commands, with onboard microphone and Speaker
Onboard 24PIN camera interface, comes with OV2640 / OV5640 camera
Compatible with the ESP32-Camera framework, Suitable for facial recognition
or USB port
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
Supports GPS, BeiDou, GLONASS positioning
provides multiple networking demos with Waveshare.cloud, using the lightweight MQTT protocol to achieve data visualization service
provides tutorial and demo for quick start of smart IoT solutions, with large-screen Data Visualization display to meet various application scenarios
Smart garden solutions:
The ESP32-S3-A7670E-4G can report various sensor data of the garden through MQTT to remotely control device ON/OFF, irrigation, fertilization, and so on.
Server Performance Cloud Monitoring:
The ESP32-S3-A7670E-4G can report various performance parameters of the Raspberry Pi server through MQTT, and monitor the operation status in real-time through the cloud platform.
IoT GPS Mobile Positioning:
The ESP32-S3-A7670E-4G can regularly report the data of the GPS positioning module through MQTT to realize mobile detection, animal or device positioning and tracking, etc.
- ESP32-S3R2
- A7670E-FASE
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EA3036C
DC-DC 3-ch power output -
ETA6098
Battery charging IC -
CN3791
Solar power charging IC -
MAX17048G
Battery voltage measurement IC -
CH343
UART to USB IC -
CH334
USB HUB -
W25Q128JVSIQ
External 16MB Flash -
FSUSB42UMX
USB switching IC -
TXB0104PWR
Voltage translator -
Camera 24PIN interface
Compatible with cameras such as OV2640 / OV5640 - TF Card Slot
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USB Type-C port
Onboard CH343 And CH334, supports connecting to UART and USB of the ESP32-S3
Onboard USB switching IC and DIP switch for switching to use the USB interface of A7670E - RESET button
- BOOT button
- Nano SIM card slo
-
Solar panel input interface
for connecting to 5V/6V/9V/12V/18V solar panel - Onboard antenna
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ESP32-S3 WiFi connector (IPEX 1)
using onboard ceramic antenna by default, supports connecting to external WiFi antenna by modifying solder pad - GNSS connector (IPEX 1)
- LTE connector (IPEX 1)
-
WS2812B
RGB LED - Power indicator
- Battery reverse warning indicator
- Solar power input indicator
- Network status indicator
-
Solar power input voltage selection
for setting solar panel input voltage:
5V level by default, for connecting with 5.5V / 6V solar power panel, supports modifying solder pads for 9V/12V/18V solar panels -
SY8105IADC
External input DC-DC -
DIP Switch
CAM: for turning on/off the camera
HUB: for controlling the power supply of USB HUB driver circuit
4G: for controlling the power supply of A7670E module
USB: for switching to the USB channel of A7670E module. - Battery power supply on/off
- 18650 battery holder
- Microphone input
- Speaker output
Pinout Definition
Outline Dimensions
Weight: 0.076 kg
Included
- ESP32-S3-A7670E-4G x1
- Transparent acrylic case and screws pack x1
- GNSS ceramic antenna x1
- OV2640 / OV5640 camera x1
- 2P screw terminal x1
- 40PIN yellow straight pin header x1
- USB Type-A to Type-C cable 1m x1
- FPC antenna x1
- Screwdriver x1
- Double-side tape (4PCS) x1
1. General Shipping Information
- We provide premium shipping methods with a tracking number for each order.
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Shipping address should be input in English without any special symbols to help the courier company recognize your address in the system. We will ship according to the shipping address you provided. Please notify us of any address change before your order is marked "Shipped" to avoid parcel loss.
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Please contact our customer service staff immediately if you need to cancel or change an order. Once your order has reached "Shipped" status, it can no longer be canceled or changed in any way. To avoid complications, please recheck your shopping cart before checkout.
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We can ship all in-stock orders within 1 business day as your order has been confirmed.
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All items are inspected before dispatch and are carefully hand-packed.
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With standard courier practice, you need to check the contents of the parcel before signing for your goods. Otherwise, we will not be held responsible for any damage that may have occurred in transit.
2. Shipping Options for Germany, EU* countries and US
(For Products in Munich Warehouse, Long Beach Warehouse)
2.1 Orders with a value not exceeding €5:
Shipping Options:
| Shipping Options | Germany | EU* |
|---|---|---|
|
Deutsche Post |
€6 Arrive in 3-4 Business Days |
€15 Arrive in 5-9 Business Days |
| Shipping Options | Continental U.S. | Non-Continental U.S. |
|---|---|---|
|
USPS Ground Advantage |
€7.95 Arrive in 3-7 Business Days |
€8.95 Arrive in 5-9 Business Days |
|
UPS Express |
€13.95 Arrive in 2-4 Business Days |
€17.95 Arrive in 3-7 Business Days |
2.2 Shipping options for an order value between €5 and €30 inside Germany, €5 and €50 inside the EU, or €5 and €45 in the U.S.:*
Shipping Options:
| Shipping Options | Germany | EU* |
|---|---|---|
|
Deutsche Post |
€3.5 Arrive in 3-4 Business Days |
€6 Arrive in 5-9 Business Days |
|
DHL Paket |
€6 Arrive in 2-3 Business Days |
€15 Arrive in 3-7 Business Days |
|
DHL Express |
€14 Arrive in 1-2 Business Day |
€65 Arrive in 2-3 Business Days |
| Shipping Options | Continental U.S. | Non-Continental U.S. |
|---|---|---|
|
USPS Ground Advantage |
€4.95 Arrive in 3-7 Business Days |
€6.95 Arrive in 5-9 Business Days |
|
UPS Express |
€11.95 Arrive in 2-4 Business Days |
€13.95 Arrive in 3-7 Business Days |
2.3 Free shipping options for an order value of above €30 inside Germany, €50 inside the EU* or €45 in US :
| Free Shipping Options | Germany | EU* |
|---|---|---|
|
Deutsche Post |
Free Above €30 | Free Above €50 |
|
DHL Paket |
+ €2 for Above €30 / Free Above €60 | + €8 for Above €50 / Free Above €80 |
|
DHL Express |
+ €10 for Above €30 | + €60 for Above €50 |
| Free Shipping Options | Continental U.S. | Non-Continental U.S. |
|---|---|---|
|
USPS Ground Advantage |
Free above €45 | Free above €60 |
|
UPS Express |
+ € 8.95 for Above €45 | + € 11.95 for Above €45 |
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Certain EU Countries are not included in our EU Zone definition: United Kingdom (excluding Ireland), Switzerland, Liechtenstein, Vatican City, Albania, Belarus, Norway, Ukraine, and Iceland. For the above countries, the International Shipping Rule applies.
- The regions in the Non-Continental U.S. include: Alaska, American Samoa, Guam, Hawaii, the Marshall Islands, the Northern Mariana Islands, Palau, Puerto Rico, the U.S. Virgin Islands, the Armed Forces of America, the Armed Forces in Europe, the Armed Forces in the Pacific, and the U.S. outlying islands. The shipping and delivery to these areas are subject to the Non-Continental U.S. shipping rules.
2.4 Shipping Options for International Countries:
(via Deutsche Post or YunExpress)
| Order Amount | International |
|---|---|
| €0 - €15 | €8 |
| €15 - €30 | €7 |
| €30 - €50 | €6 |
| €50 and above | €4 |
Important Notice:
- Please verify the inventory location on the product page before placing your order to confirm delivery timeframes.
- For products in the Shenzhen warehouse, we will typically first ship the products from the Shenzhen warehouse to our Munich warehouse or Long Beach warehouse, which will take around 1.5 weeks. After we receive the shipment in Munich/ Long Beach, we will send the items to you. We will only arrange YunExpress shipping from Shenzhen for orders with products in the Shenzhen warehouse worth more than €50.
- If you place an order with products from both Munich and Shenzhen warehouses, we will first ship the products in the Munich warehouse, and then send the remaining products to you when we receive them from Shenzhen.
3. International Warehouse
3.1 German Warehouse
3.2 US Warehouse
3.3 Chinese Warehouse
4. Customs and Taxes
4.1 How are customs handled by OpenELAB for import or export?
4.2 How is VAT charged when the Customer places an order from OpenELAB?
4.3 What kind of fee will be charged except VAT?
Effective Date: December 10, 2025
At OpenELAB, we are committed to providing accurate product descriptions and high-quality electronics. The following policy outlines your rights and obligations, designed to be fair to both our customers and our business operations globally.
1. Warranty Policy
A. Standard Limited Warranty (Global & US)
For customers in the United States, Asia, and other non-EU regions:
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Warranty Period: OpenELAB provides a 12-month warranty from the date of delivery.
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Coverage: This warranty covers defects in material and workmanship under normal use.
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Resolution: We will repair or replace defective units at no charge.
B. Statutory Rights for EU/UK Customers (EU Compliance)
If you are a consumer residing in the European Union or the UK purchasing from our global site:
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Statutory Guarantee: You are entitled to a 24-month statutory guarantee for conformity defects present at the time of delivery, in accordance with EU consumer protection laws.
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Relation: The Standard Limited Warranty (Section 1.A) applies in addition to, and does not replace, your statutory rights.
C. Warranty Exclusions (Applies to ALL Regions)
Warranty coverage is VOID if the damage is caused by:
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Misuse: Incorrect installation, reverse polarity, or exceeding voltage limits.
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Unauthorized Modification: This explicitly includes soldering, cutting pins, modifying the PCB, or flashing unauthorized/beta firmware that "bricks" the device.
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Physical Damage: Drops, moisture/water damage, or electrical surges (lightning).
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Normal Wear & Tear: Consumable parts (e.g., batteries), unless defective upon arrival.
Note: For non-warranty repairs (e.g., customer-induced damage), we may offer repair services for a fee. Shipping and diagnostic costs will be borne by the customer.
2. Return & Refund Policy
A. Return Window
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Standard: You may request a return within 30 days of receiving your order.
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EU Customers: You have the statutory right to withdraw from the contract within 14 days of receipt without giving a reason.
B. Refund Conditions & Restocking Fees
To protect against policy abuse, the refund amount is strictly determined by the condition of the returned item.
1. Full Refund (100%)
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The item is Brand New, Unopened, and Unused.
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The original packaging is intact and sealed.
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All accessories are present.
2. Partial Refund (Restocking Fee / Value Depreciation)
If the item is returned in a condition that prevents it from being sold as new, OpenELAB reserves the right to deduct a Restocking Fee (or "Compensation for Loss of Value" for EU customers) from the refund.
Deductions apply if:
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Signs of Use: Visible scratches, mounting marks on screw holes, or fingerprints.
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Damaged Packaging: Original box is torn, written on, or missing.
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Technical Modification: The device has been powered on, programmed/flashed, or soldered.
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Broken Seals: Anti-static bags or security seals have been opened.
Depending on the severity of the usage/damage, the deduction may range from 15% to 50% of the product price. Items damaged beyond repair due to misuse will not be refunded.
C. Shipping Costs
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Defective / Wrong Item: OpenELAB covers the return shipping cost.
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Customer Remorse (Changed Mind / Ordered Wrong Item): The customer is responsible for all return shipping costs to our designated return center (located in the US, Germany, or China, depending on your region). Original shipping fees are non-refundable unless required by local law.
3. Return Process (RMA)
To ensure a smooth return process, please follow these steps:
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Authorization: Contact us at info@openelab.io before returning any item. Returns without prior authorization will not be accepted.
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RMA Number: We will provide you with a Return Merchandise Authorization (RMA) number and the correct return address.
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Packing: Ship the item back in its original packaging with the RMA number clearly marked on the shipping label (not on the product box).
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Tracking: We strongly recommend using a trackable shipping method. OpenELAB is not responsible for returns lost in transit.
