LDG AT-200 PRO II Antenna Tuner Review

LDG AT-200 PRO II Antenna Tuner Review

The LDG AT-200 Pro II antenna tuner arrives with everything you need right in the box to improve power transfer between your transmitter and its antenna. It’s the ideal solution for the new generation of high-power transceivers.

What's in the Box?

The carefully packaged LDG AT-200 Pro II comes wrapped in durable bubble wrap, so you can rest assured it will arrive at your doorstep perfectly intact. Inside, you will find:

  • The AT-200 Pro II Tuner

  • A DC power cable

  • User’s manual

The manual provides you with everything you need to know about this handy device, including the set-up process and a wealth of information that will be invaluable if this is your first time using an antenna tuner. 

Specifications

The AT-200 Pro II is an impressive device with a wide variety of exciting features, including:

  • A frequency range of 1.8-54 MHz continuous coverage

  • An Impedance range that tunes 6-1000 ohm loads (or 16-150 on 6M)

  • Astonishingly fast recall memories, with a total of 4000 memories for instantaneous band changing

  • A tuning time of just 0.5-6 seconds

  • A power range of 5-250 watts, with 100W on 6M

  • Two antenna ports with separate memories for each antenna

Whether this is your first tuner or a replacement for an older model, you’ll be impressed by what this device offers.

The Front Panel

Eight buttons on the front of the AT-200 Pro II let you control various functions such as powering on and off, manual tuning, and adjustments for automatic tunes. This device puts you in control, no matter what frequency you want to receive. Two indicating LED lights also show whether the tuner is in bypass mode or for use with the resonant antenna. 

You will also see two LED bar graphs featured on the right-hand side of the front panel. These indicate the current power throughput and SWR levels while you're transmitting, allowing you to pay close attention to how successful your transmissions are landing.

The Rear

On the back, you will find a variety of ports, including two SO-239 ports for both antennas and an additional SO-239 socket, allowing for connection to your transceiver. You will also find a ground wing nut, so if you want to attach an earth wire directly to your tuner, you can do so quickly and easily. 

You will also find a power socket and radio interface socket on the bottom right of the rear panel, allowing for direct connection to your Yaesu or ICOM radio. It makes activating the tuning cycle from your radio even easier, improving the overall performance of your device.

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