Wireless Module LoRa Spread Spectrum EBYTE E77-400M22S E77-900M22S 433/470MHz 868/915MHz ARM Cortex-M4 Low Power Consumption SoC

Every day, EBYTEIOT serves hundreds of clients worldwide, ensuring that we always remain responsive.

Free Shipping: All product orders with a total amount exceeding $50 qualify for free shipping.

Total time = processing time + shipping time (shipping time is business days)

Processing time = the time between placing an order and us shipping it.

Shipping time = the time it takes for your order to be shipped and delivered to you.

Processing time: 7 working days

Shipping time: 7-15 working days by China Post Air Mail (may take up to 45 working days due to unpredictable factors such as weather and customs processing).

 

Please be advised that we do not deliver to

• Cuba
• Islamic Republic of Iran
• Democratic People's Republic of Korea (North Korea).
• Sudan
• Syria
• Venezuela
• Yemen

We apologize for any inconvenience this may cause.

 

Cancel

We accept order cancellations before product shipment or production. If the order is canceled, you will receive a full refund. We cannot cancel an order if the product has already shipped.

Returns (if applicable)

We accept product returns. Customers have the right to request a return within 30 days of receiving the product. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. To complete your return, we require a receipt or proof of purchase.

If the return is caused by the consumer, the consumer shall bear the shipping cost. The specific cost depends on the courier company you choose.

If due to our reasons, the goods received are damaged or incorrect, the consumer is not responsible for the shipping cost.

Refund (if applicable)

Once your return has been received and inspected, we will send you a delivery notification via email. We will also notify you of approval or rejection of the refund. If you're approved, your refund will be processed and automatically credited to your credit card or original payment method within 15 business days.

Delayed or lost refunds (if applicable)

If you haven't received your refund, please check your bank account again first.

Then contact your credit card company, it may take some time for your refund to be officially posted. Next, contact your bank. It usually takes some processing time before a refund is issued. If you've done all of this and still haven't received your refund, please contact us at ebyteiot@cdebyte.com .

Contact our customer service at ebyteiot@cdebyte.com .

Tel: +086 028 61543675

Return address: Building B5, No. 199, West District Avenue, High tech West District Chengdu, China.