Acquiring HC-12 modules

You can purchase HC-12 modules in generic form from several online stores, including Amazon, eBay, Banggood, and AliExpress. Simply put HC-12 into the search bar and several options will appear. You can also purchase these modules from local electronics stores.

HC-12 modules don’t carry a brand. As such, you should purchase them from a retailer that you trust, especially if it’s an online vendor. Make sure you read the reviews from previous buyers so that you don’t end up with a poor-quality knockoff.

The modules contain transmitters and receivers. As such, you might want to avoid importing them if you can purchase them locally. This is because you might be required to prove that the modules meet certain certification requirements for where you live. If you can pick these modules up locally, you will be sure that the importer has satisfied all requirements.

If you have to import these modules, try to check if there are any import...