RCU Review: Tactic TTX403-Channel SLT Mini Radio

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    Contributed by: Geoff Barber | Published: January 2014 | Views: 17953 | email icon Email this Article | PDFpdf icon
    RCUniverse.com Review of the TACTIC TTX403 Mini Transmitter
    Geoff Barber

    Email Me

    Great Planes Model Distributors
    P.O. Box 9021
    Champaign, IL 61826
    Phone: 800-637-7660

    Have you ever flown micro/mini aircraft? I have, and it's the only reason I get to fly year-round in Minnesota. We are lucky enough to have access to our local high school gymnasium on several Saturdays during the winter months. Over the past several years, Flyzone and Great Planes have introduced a whole line of indoor aircraft with their Micro series. Most of these aircraft come in two versions - Ready to fly (RTF) and Transmitter ready (Tx-R).

    Now, if you go for the RTF aircraft, you get a nifty little radio - a Tactic TTX402. It's a nice, mini-sized transmitter that gets the job done. That's where this new transmitter comes in - the Tactic TTX403! The TTX403 is an updated version of the older TTX402, and it's available as a stand-alone transmitter.

    So, without wasting any more time, let's get the box open and see what we've got!

    • Compact, Ergonomic Case
    • Compatible with all Tx-R aircraft
    • Servo Reversing
    • Flight Batteries Charge from Transmitter
    • Elevon and V-Tail Mixing
    • Rudder-only Aircraft can be Flow on the Right or Left Stick

    • None as Tested

    Skill Level:

    Time Required to Assemble:

    Frustration Level:

    What do these ratings mean?

    Name:Tactic TTX403

    Price: $34.99 (Accurate at time of review)

    Stock Number: TACJ2403

    Channels: 4
    Frequencies: 2.403 - 2.480 GHz
    Modulation: FHSS - Spread Spectrum SLT
    Input Power: 5 AA Batteries
    Transmitter Range: 150 meters (approximately 450 feet)
    Channels Available: 4 Total - Ailerons, Elevator, Throttle, and Rudder

    Items Required:

    • 5 AA Alkaline, NiCd or NiMh Batteries

    The TTX403 comes in a full-color box, listing several features and images. Inside, I was pleased to find a fibrous material protecting the transmitter. No Styrofoam in the box means less in the landfill! The 403 was wrapped in a plastic bag inside the formed, protective layer.

    I really like that this little transmitter has all-digital trims and a 1S LiPo charger built in to the rear of the case - now, this may not seem like a big deal to some people, but if you fly the Flyzone micro aircraft, this is an advantage because most of them use a 1S LiPo battery.

    I was originally put off by the small size of the transmitter - but when I actually used it, the TTX403 felt comfortable in my hands. Besides, it's really not THAT much smaller.

    I removed the battery cover, installed 5 AA batteries (not included), and powered up the transmitter - a red LED on the face glows, indicating the TTX403 is turned on.

    Interestingly enough, the TTX403 can be configured for several options! The first image above shows where the sticks are placed to configure for three or four channel operation. With both sticks pushed to the up/outward corners, the power switch is turned on, and you'll hear three short tones, indicating the configuration has been changed. In the three-channel mode, the rudder is controlled by the right stick. In the four-channel mode, the rudder is controlled by the left stick.

    Another nice feature is the ability to reverse all four channels. By simply holding either trim button and turning on the power switch, the direction has been reversed on that channel.

    Pulling both sticks to the low/outward corners, and turning on the power switch will change the transmitter's operational mode between three settings: Normal/Conventional, Elevon Mixing, and V-Tail mixing. By listening to the tones and watching the LED flashes emitted, you'll be able to determine in which mode the TTX403 is operating.


    The manual is just what I expect from a company like Tactic - first rate! The illustrations are clear and the written instructions are easy to read and understand.

    I have a couple of the RTF aircraft from Flyzone, as well as a Heli-max helicopter and a couple of Aircore planes as well. For the usage report, they will be my test subjects.

    Earlier in December, I was able to get outside and fly the Aircore planes at my local flying field. Once the TTX403 was linked to the Power Core, it was ready to go! First up was the Principle - a high winged trainer-type plane, and the transmitter did just fine commanding the plane. I then switched the Power Core over to the P-51 Mustang - Now I was really enjoying this great combo! The Mustang was a lot of fun to fly, and the TTX403 made it easy to have fun!

    A couple of weeks later, the weather had drastically changed (from 30 degrees above to 15 degree BELOW zero) and I was flying the Flyzone micro Super Cub in my local high school gym. There were at least 6 other guys flying with Tactic radios or ANYLink adapters, and the TTX403 worked perfectly. Once the link had been made, my Super Cub was impervious to the commands from the other transmitters!

    Lastly, I tried the TTX403 out on a small Heli-Max helicopter - the AXE 100CX. Like before, the transmitter and helicopter worked together without incident. I was able to use the same transmitter on four different aircraft, and it performed flawlessly!

    Now to wrap this up: The new Tactic TTX403 is a great addition to an ever-expanding lineup of transmitters. The TTX403 is a perfect match to any of the transmitter ready (Tx-R) planes available from Flyzone and Great Planes. While the range of this transmitter is limited to 150 meters (approximately 450 feet) you'll never fly a micro aircraft that far away. In my opinion, at $34.99, it's a great deal too!

    Great Planes Model Distributors
    P.O. Box 9021
    Champaign, IL 61826
    Phone: 800-637-7660

    Comments on RCU Review: Tactic TTX403-Channel SLT Mini Radio

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    The comments, observations and conclusions made in this review are solely with respect to the particular item the editor reviewed and may not apply generally to similar products by the manufacturer. We cannot be responsible for any manufacturer defects in workmanship or other deficiencies in products like the one featured in the review.

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