Does the QD4 support tap-to-pay and mobile wallets?

Name: Host Merchant Services - Credit Card Processing and Point of Sale for Small Business
Address: 250 Corporate Blvd L, Newark, DE, 19702
Telephone: +1 302-224-9837
Price range: $$

Yes, QD4 supports contactless (NFC). Mobile wallet acceptance is typically enabled through the same contactless capabilities, depending on your processing setup.