Ebyte EWM290-400R30D AT commands Spread Spectrum Technology 10km 30dBm RS485 Interface 433MHz lora Wireless Module

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

Free Shipping: All product orders with a total amount exceeding $79.99 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 order

We accept order cancellations before the product is shipped. If your order is canceled, you will receive a full refund. We cannot intercept order cancellations if the product has already been shipped.

Returns

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

If the return is caused by the consumer, the consumer will bear the shipping costs. The exact cost depends on the courier company you choose.

If the product is damaged or unusable due to our fault, such as product or transportation reasons, please contact EBYTE: ebyteiot@cdebyte.com. After communication with our technical staff, we will arrange for a reissue or refund.

Refund

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.

Contact

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.

 

EBYTE product technical manual and detailed parameters download: https://www.cdebyte.com/Product-Selection