Refurbished "second" used unit. Restored to factory settings, calibrated, tested. warranty intact. 300/150 Watt Automatic Antenna Tuner. Use with factory interface cable for radio control. 20,000 memories, Analog SWR/Wattmeter plus bright LCD display, multiple antenna connections. Huge impedance matching range 32:1 as 150 Watt. 6-1600 Ohms as 300 Watt. Best seller!