This equipment is automatic tuner intended for use with modern Icom transceivers that supports an AH-3 or AH-4 Icom tuner; a partial list of compatible units includes: IC-706, 703, 718, 7000,7100,7200,7300,7410,746,756,7600 (and all variants). It is very convenient to be operated directly through the radio panel. A dedicated data cable can be directly connected to the four-core control socket on the back of the ICOM radio station. The radio can automatically control the adjustment work without additional manual setting and operation. Tthe hardware shell uses the latest metal aluminum milling technology, firm and exquisite, excellent workmanship. The input RF frequency detection function and 16000 memory locations make the tuning speed faster and more accurate. When re-entering the previously used frequency, the tuning of the day is completed in an instant. Maximum RF power: 120W Maximum tuning power: 5-10W Operating frequency: 1.8M-54MHz Working mode: fully automatic and manual fine tuning Adjust standing wave: most antennas can be adjusted to 1.5 standing waves Working power supply: use ICOM interface power supply, no need for external power supply Complete tuning time: less than equal 5 seconds Storage tuning time: less than equal 0.1 second Antenna impedance: 5-1500ohm Dimensions: 130mm(W) x 200mm(L) x 40mm(H) Colour:black Material:Metal Package Contents: 1 x MAT-180H Automatic Antenna 1 x Data Cable Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.