The mAT-10 is a compact and exquisite tuner designed for YAESU FT-817/818, it can also be used in other QRP transceivers. When it is connected to FT-817/818 through a dedicated data cable mAT-CY, it is a dedicated tuner, which can achieve convenient "one-key tuning". If no data cable is used, it is a universal QRP tuner for all low-power transceivers.

The mAT-10 is connected to the ACC port of the FT-817/818 transceiver through data cable. The ACC interface allows an external device such as a PC or the mAT-10 to control the FT-817/818 by sending it serial commands. The mAT-10 has the function of "one key tuning". When the multi-function key on tuner is pressed, the mAT-10 will automatically control the start-up tuning of transceiver.

When mAT-10 is used in other QRP transceivers, it does not need data cables and can work only by connecting RF cables. The tuning process can be completed by pressing the Multi-function on the panel, its operation is very simple.