LDG Electronics AT-200PROII Automatic Antenna Tuner 1.8-54 MHz, 5-250 Watts SSB and CW. 100 watts on 6M. 75 watts with PSK or digital modes. 2 Year Warranty 5 to 250 watts SSB and CW. 100 watts on 6M. 75 watts with PSK or digital modes. - Easy to read LED bargraph display for RF power, SWR and status LEDs for Antenna Position and Bypass - 4,000 memories (2000 for each antenna) for instantaneous band changing - Two position antenna switch with memories for four antennas on each position Tuning time: 0.5 to 6 seconds full tune, &lt; 0.1 second memory tune - Built in frequency counter for memory operation Frequency coverage: 1.8 to 54.0 MHz. - Tunes 6 to 800 ohm loads (16 to 150 ohms on 6M), 6 to 3600 ohms with optional 4:1 Balun (LDG RBA 4-1) - For Dipoles, Verticals, Vees, Beams or and Coax Fed Antenna Includes 6' DC power cable - Enclosure: 9.5D x 7.1W x 2.0H inches - Weight: 2 pounds