Refund policy

Incorrect, damaged or missing items

If an item arrives incorrect, damaged, or defective, please contact us within 10 business days of its arrival.

We'll inspect and test the returned product. If we determine it's faulty, we'll cover reasonable return postage costs and either replace or refund the item at our discretion.

For more details, see the "Shipping Items Back to Us" section below.

Pre-assembled adapters (TDA-4xx)

We accept returns of pre-assembled TDA-4xx adapters within 30 days of delivery. Items must be in like-new condition with all original accessories. We will issue a full refund of the purchase price. Buyer is responsible for return shipping.

DIY kits, modules, and carrier boards

We accept returns of DIY products within 30 days of delivery, provided they have not been soldered, modified, or assembled. Items must be in original, unused condition with all original packaging. We will issue a full refund of the purchase price. Buyer is responsible for return shipping.

Shipping items back to us

Contact us for return authorization before sending any items back. Provide us with a tracking number within 7 days of return approval, and make sure we receive the item within 21 days. It's your responsibility to package the item securely and use a tracked shipping service. We won't be liable for items lost or damaged during return shipping.

Refunds

We will inspect the returned item upon arrival to confirm it meets the return requirements.

  • If the item is faulty, we will cover reasonable return postage costs and will refund or replace it at our discretion.
  • If the item is returned in qualifying condition within the allowed return period, we will issue a full refund of the original purchase price.

For complete shipping, warranty, and repair policies, see our Terms of Service.