The Icom AT-130 is a high-efficiency automatic antenna tuner manufactured by Icom Inc. in Japan. Designed for use with Icom commercial marine HF SSB transceivers (such as the IC-M700PRO, IC-M710, and IC-M802 series), the AT-130 matches the radio’s 50-ohm output impedance to a long-wire or whip antenna across the entire HF marine frequency band (1.6 MHz to 30 MHz).

Engineered for outdoor installation near the antenna base, the AT-130 features a durable, weatherproof acrylic enclosure with high-voltage insulation to prevent salt spray breakdown and signal loss. The tuner operates fully automatically, tuning the antenna in less than three seconds while storing up to 45 tuning memories for rapid channel switching during GMDSS and long-range maritime voice communications.

Key Features:
• Broad HF Coverage: Matches wire antennas of 7 meters (23 feet) or longer across the full 1.6 MHz to 30 MHz HF marine band.
• Rapid Automatic Tuning: High-speed microcomputer-controlled matching tunes in 2 to 3 seconds, with instant retuning from internal frequency memory.
• Weatherproof Outdoor Enclosure: Rugged acrylic cover with rubber gaskets protects components from harsh marine salt spray, UV, and rain exposure.
• Low-Power RF Tuning: Performs tuning operations at reduced power (approx. 10W) to prevent transistor damage and minimize airwave interference.
• 45 Frequency Memories: Automatically stores optimal matching settings for fast band changes without re-initiating a full tuning sequence.
• Flexible Antenna Interface: Connects seamlessly to long-wire, backstay, or vertical whip antennas on merchant vessels, fishing boats, and yachts.