LDG Electronics RT-100 Watt Remote Mount Tuner and Control Unit
Best remote tuner for outdoor antenna setups and minimizing signal loss.
The LDG RT-100 is an automatic remote tuner designed for outdoor installation near your antenna feedpoint, minimizing SWR losses. It handles up to 125 watts for SSB/CW and 30 watts for digital modes, housed in a weather-resistant ABS enclosure. Power is conveniently supplied over the coaxial cable via the included RC-100 remote controller. This unit offers 2,000 memory locations for rapid tuning recall on previously used frequencies, covering 1.8 to 54 MHz. It's ideal for various coax-fed antennas like dipoles, verticals, and beams.
$299.99
Owner Satisfaction
4.7
/ 5
Category Rank
23
/ 1073
#23 in Communication Radio Accessories
Price vs Category Average
+201%
Above average
Power Range
0.112530
/ to watts (SSB/CW), watts (Digital)
Who it's for
- Users wanting convenient indoor control of outdoor equipment
- Operators seeking maximum signal efficiency and reduced cable loss
- Hams using non-resonant or challenging antenna configurations
Who should skip it
- Operators avoiding complex outdoor weatherproofing and cabling tasks
- High-power enthusiasts running external linear amplifiers
- Budget-conscious buyers preferring simple indoor-only tuners
Performance breakdown
Tuning Efficiency
Rapid memory recall significantly reduces time spent adjusting antenna impedance.
Weather Resilience
Rugged ABS housing provides reliable protection against harsh outdoor environmental conditions.
Installation Convenience
Coaxial power delivery eliminates the need for extra external power cabling.
Impedance Matching Range
Handles a broad variety of antenna loads with impressive tuning flexibility.
Digital Mode Capacity
Limited to 30 watts, requiring careful management during high-duty cycle transmissions.
Frequency Versatility
Covers all major amateur bands from 1.8 to 54 MHz seamlessly.
Key Specs
Power Range
0.1 to 125 watts (SSB/CW), 30 watts (Digital)
Frequency Coverage
1.8 to 54.0 MHz
Tuning Range
4 to 800 ohms loads
Dimensions
165.1 mm L x 152.4 mm W x 63.5 mm H
Material
Weather resistant ABS Enclosure with Gaskets
Operating Temperature
-40 to +70°C
Weight
1 pound (approx. 454 grams)
Warranty
24 months
Features
- Automatic tuning for high SWR
- Powered directly over coax cable
- Stores 2,000 memory locations
- Weather-resistant housing for outdoor use
- Manual tune and bypass control
- Tunes a wide impedance range
- Includes remote control unit
What customers say
Amateur radio operators highly value the LDG RT-100 Remote Mount Tuner for its exceptional reliability and robust design. Users consistently praise the rugged, weather-resistant enclosure, confirming its suitability for demanding outdoor installations. The core strength lies in its fast and accurate automatic tuning up to 100 watts, which efficiently achieves low SWR across various challenging antenna setups. Separating the tuner and control head significantly enhances operational convenience by reducing shack clutter. While the initial cost is noted, the superior durability and specialized remote functionality provide excellent long-term value for serious operators needing dependable performance at the feed point.
Know before you buy
The RT-100 is rated for 30 watts when operating in digital modes. While it handles up to 125 watts for SSB and CW, exceeding the 30-watt limit for continuous digital transmissions may cause the unit to overheat.
Power is supplied directly through your existing coaxial cable using the included RC-100 remote controller. This eliminates the need to run a separate power line to your antenna location.
The RT-100 is designed for most coax-fed antennas, including dipoles, verticals, and beams. It can tune loads between 4 and 800 ohms across the 1.8 to 54 MHz frequency range.
Yes, the unit is housed in a weather-resistant ABS enclosure with gaskets designed to withstand the elements. It is rated for operation in temperatures ranging from -40 to +70°C.
Yes, the RT-100 features 2,000 memory locations. It automatically stores your tuning settings for specific frequencies, allowing for near-instant recall the next time you operate on those bands.
Yes, the included RC-100 remote controller provides manual tune and bypass controls. This allows you to override the automatic tuning process whenever you need to make adjustments yourself.
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