Even great products fail from time to time and a product is only as good as its customer support. Here at Top Gun Technologies we take customer support seriously. We have a complete resource center for our QUAD-5 10-Meter transceiver. Just go the the bottom of the QUAD-5 specifications page for all type of documentation and upgrade sheets and RMA request form for this radio.All repairs must be accompanied with a valid RMA number. Please fill out the RMA request form by clicking the link below.Radio Repairs: Radio RMA request formQuestions please check the FAQ page or click the link below to email support.FAQemail: Support